Home / 658,746,934.61-909,012,872.12-376,433,351.52

Finding the Fourth Proportional to 658,746,934.61, 909,012,872.12 and 376,433,351.52

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Solution

The fourth proportional to 658,746,934.61, 909,012,872.12 and 376,433,351.52 is: 519,444,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,746,934.61 : 909,012,872.12 = 376,433,351.52 : x
  2. Step 2: Convert to fraction form
    658,746,934.61/909,012,872.12 = 376,433,351.52/x
  3. Step 3: Cross multiply
    658,746,934.61x = 909,012,872.12 × 376,433,351.52
  4. Step 4: Simplify right side
    658,746,934.61x = 342,182,762,025,070,592
  5. Step 5: Solve for x
    x = 342,182,762,025,070,592/658,746,934.61
  6. Step 6: Final answer
    x = 519,444,940.16

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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.