Home / 1,309,445,804,350-1,807,015,978,880.40-731,390,759,065.48

Finding the Fourth Proportional to 1,309,445,804,350, 1,807,015,978,880.40 and 731,390,759,065.48

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Solution

The fourth proportional to 1,309,445,804,350, 1,807,015,978,880.40 and 731,390,759,065.48 is: 1,009,308,505,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,445,804,350 : 1,807,015,978,880.40 = 731,390,759,065.48 : x
  2. Step 2: Convert to fraction form
    1,309,445,804,350/1,807,015,978,880.40 = 731,390,759,065.48/x
  3. Step 3: Cross multiply
    1,309,445,804,350x = 1,807,015,978,880.40 × 731,390,759,065.48
  4. Step 4: Simplify right side
    1,309,445,804,350x = 1,321,634,788,436,787,029,082,112
  5. Step 5: Solve for x
    x = 1,321,634,788,436,787,029,082,112/1,309,445,804,350
  6. Step 6: Final answer
    x = 1,009,308,505,969.70

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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.