Home / 527,044,142.81-727,320,986.02-292,109,970.73

Finding the Fourth Proportional to 527,044,142.81, 727,320,986.02 and 292,109,970.73

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Solution

The fourth proportional to 527,044,142.81, 727,320,986.02 and 292,109,970.73 is: 403,111,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,044,142.81 : 727,320,986.02 = 292,109,970.73 : x
  2. Step 2: Convert to fraction form
    527,044,142.81/727,320,986.02 = 292,109,970.73/x
  3. Step 3: Cross multiply
    527,044,142.81x = 727,320,986.02 × 292,109,970.73
  4. Step 4: Simplify right side
    527,044,142.81x = 212,457,711,936,156,384
  5. Step 5: Solve for x
    x = 212,457,711,936,156,384/527,044,142.81
  6. Step 6: Final answer
    x = 403,111,797.82

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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.