Home / 1,309,445,804,347.20-1,807,015,978,876.60-731,390,759,062.75

Finding the Fourth Proportional to 1,309,445,804,347.20, 1,807,015,978,876.60 and 731,390,759,062.75

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Solution

The fourth proportional to 1,309,445,804,347.20, 1,807,015,978,876.60 and 731,390,759,062.75 is: 1,009,308,505,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,445,804,347.20 : 1,807,015,978,876.60 = 731,390,759,062.75 : x
  2. Step 2: Convert to fraction form
    1,309,445,804,347.20/1,807,015,978,876.60 = 731,390,759,062.75/x
  3. Step 3: Cross multiply
    1,309,445,804,347.20x = 1,807,015,978,876.60 × 731,390,759,062.75
  4. Step 4: Simplify right side
    1,309,445,804,347.20x = 1,321,634,788,429,074,878,431,232
  5. Step 5: Solve for x
    x = 1,321,634,788,429,074,878,431,232/1,309,445,804,347.20
  6. Step 6: Final answer
    x = 1,009,308,505,965.97

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Double scale
Find fourth proportional to 1,309,445,804,348.20, 1,807,015,978,877.98 and 731,390,759,063.75
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.