Home / 440,385,363.72-660,563,084.68-112,864,092.84

Finding the Fourth Proportional to 440,385,363.72, 660,563,084.68 and 112,864,092.84

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Solution

The fourth proportional to 440,385,363.72, 660,563,084.68 and 112,864,092.84 is: 169,292,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,385,363.72 : 660,563,084.68 = 112,864,092.84 : x
  2. Step 2: Convert to fraction form
    440,385,363.72/660,563,084.68 = 112,864,092.84/x
  3. Step 3: Cross multiply
    440,385,363.72x = 660,563,084.68 × 112,864,092.84
  4. Step 4: Simplify right side
    440,385,363.72x = 74,553,853,315,718,144
  5. Step 5: Solve for x
    x = 74,553,853,315,718,144/440,385,363.72
  6. Step 6: Final answer
    x = 169,292,305.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.