Home / 808,517,753.10-1,212,776,629.65-801,715,308.30

Finding the Fourth Proportional to 808,517,753.10, 1,212,776,629.65 and 801,715,308.30

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Solution

The fourth proportional to 808,517,753.10, 1,212,776,629.65 and 801,715,308.30 is: 1,202,572,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,517,753.10 : 1,212,776,629.65 = 801,715,308.30 : x
  2. Step 2: Convert to fraction form
    808,517,753.10/1,212,776,629.65 = 801,715,308.30/x
  3. Step 3: Cross multiply
    808,517,753.10x = 1,212,776,629.65 × 801,715,308.30
  4. Step 4: Simplify right side
    808,517,753.10x = 972,301,589,538,884,736
  5. Step 5: Solve for x
    x = 972,301,589,538,884,736/808,517,753.10
  6. Step 6: Final answer
    x = 1,202,572,962.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.