Home / 1,309,445,804,345.70-1,807,015,978,874.50-731,390,759,061.24

Finding the Fourth Proportional to 1,309,445,804,345.70, 1,807,015,978,874.50 and 731,390,759,061.24

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Solution

The fourth proportional to 1,309,445,804,345.70, 1,807,015,978,874.50 and 731,390,759,061.24 is: 1,009,308,505,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,445,804,345.70 : 1,807,015,978,874.50 = 731,390,759,061.24 : x
  2. Step 2: Convert to fraction form
    1,309,445,804,345.70/1,807,015,978,874.50 = 731,390,759,061.24/x
  3. Step 3: Cross multiply
    1,309,445,804,345.70x = 1,807,015,978,874.50 × 731,390,759,061.24
  4. Step 4: Simplify right side
    1,309,445,804,345.70x = 1,321,634,788,424,810,244,341,760
  5. Step 5: Solve for x
    x = 1,321,634,788,424,810,244,341,760/1,309,445,804,345.70
  6. Step 6: Final answer
    x = 1,009,308,505,963.87

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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.