Home / 940,495,017.68-1,297,726,242.96-522,750,505.28

Finding the Fourth Proportional to 940,495,017.68, 1,297,726,242.96 and 522,750,505.28

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Solution

The fourth proportional to 940,495,017.68, 1,297,726,242.96 and 522,750,505.28 is: 721,308,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,495,017.68 : 1,297,726,242.96 = 522,750,505.28 : x
  2. Step 2: Convert to fraction form
    940,495,017.68/1,297,726,242.96 = 522,750,505.28/x
  3. Step 3: Cross multiply
    940,495,017.68x = 1,297,726,242.96 × 522,750,505.28
  4. Step 4: Simplify right side
    940,495,017.68x = 678,387,049,222,456,064
  5. Step 5: Solve for x
    x = 678,387,049,222,456,064/940,495,017.68
  6. Step 6: Final answer
    x = 721,308,498.68

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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.