Home / 835,440,642.11-1,152,656,669.88-500,791,061.12

Finding the Fourth Proportional to 835,440,642.11, 1,152,656,669.88 and 500,791,061.12

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Solution

The fourth proportional to 835,440,642.11, 1,152,656,669.88 and 500,791,061.12 is: 690,940,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,440,642.11 : 1,152,656,669.88 = 500,791,061.12 : x
  2. Step 2: Convert to fraction form
    835,440,642.11/1,152,656,669.88 = 500,791,061.12/x
  3. Step 3: Cross multiply
    835,440,642.11x = 1,152,656,669.88 × 500,791,061.12
  4. Step 4: Simplify right side
    835,440,642.11x = 577,240,156,810,487,552
  5. Step 5: Solve for x
    x = 577,240,156,810,487,552/835,440,642.11
  6. Step 6: Final answer
    x = 690,940,957.04

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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.