Home / 818,400,306.76-1,129,392,875.61-442,056,892.28

Finding the Fourth Proportional to 818,400,306.76, 1,129,392,875.61 and 442,056,892.28

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Solution

The fourth proportional to 818,400,306.76, 1,129,392,875.61 and 442,056,892.28 is: 610,038,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,400,306.76 : 1,129,392,875.61 = 442,056,892.28 : x
  2. Step 2: Convert to fraction form
    818,400,306.76/1,129,392,875.61 = 442,056,892.28/x
  3. Step 3: Cross multiply
    818,400,306.76x = 1,129,392,875.61 × 442,056,892.28
  4. Step 4: Simplify right side
    818,400,306.76x = 499,255,904,758,724,480
  5. Step 5: Solve for x
    x = 499,255,904,758,724,480/818,400,306.76
  6. Step 6: Final answer
    x = 610,038,755.65

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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.