Home / 472,959,983.28-652,690,254.79-261,262,428.32

Finding the Fourth Proportional to 472,959,983.28, 652,690,254.79 and 261,262,428.32

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Solution

The fourth proportional to 472,959,983.28, 652,690,254.79 and 261,262,428.32 is: 360,545,177.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,959,983.28 : 652,690,254.79 = 261,262,428.32 : x
  2. Step 2: Convert to fraction form
    472,959,983.28/652,690,254.79 = 261,262,428.32/x
  3. Step 3: Cross multiply
    472,959,983.28x = 652,690,254.79 × 261,262,428.32
  4. Step 4: Simplify right side
    472,959,983.28x = 170,523,440,904,290,176
  5. Step 5: Solve for x
    x = 170,523,440,904,290,176/472,959,983.28
  6. Step 6: Final answer
    x = 360,545,177.04

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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.