Home / 681,998,941.58-941,156,769.17-380,581,092.77

Finding the Fourth Proportional to 681,998,941.58, 941,156,769.17 and 380,581,092.77

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Solution

The fourth proportional to 681,998,941.58, 941,156,769.17 and 380,581,092.77 is: 525,200,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,998,941.58 : 941,156,769.17 = 380,581,092.77 : x
  2. Step 2: Convert to fraction form
    681,998,941.58/941,156,769.17 = 380,581,092.77/x
  3. Step 3: Cross multiply
    681,998,941.58x = 941,156,769.17 × 380,581,092.77
  4. Step 4: Simplify right side
    681,998,941.58x = 358,186,471,678,601,216
  5. Step 5: Solve for x
    x = 358,186,471,678,601,216/681,998,941.58
  6. Step 6: Final answer
    x = 525,200,920.18

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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.