Home / 901,499,369.92-1,245,236,127.78-745,496,635.84

Finding the Fourth Proportional to 901,499,369.92, 1,245,236,127.78 and 745,496,635.84

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Solution

The fourth proportional to 901,499,369.92, 1,245,236,127.78 and 745,496,635.84 is: 1,029,750,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,499,369.92 : 1,245,236,127.78 = 745,496,635.84 : x
  2. Step 2: Convert to fraction form
    901,499,369.92/1,245,236,127.78 = 745,496,635.84/x
  3. Step 3: Cross multiply
    901,499,369.92x = 1,245,236,127.78 × 745,496,635.84
  4. Step 4: Simplify right side
    901,499,369.92x = 928,319,344,086,418,432
  5. Step 5: Solve for x
    x = 928,319,344,086,418,432/901,499,369.92
  6. Step 6: Final answer
    x = 1,029,750,408.11

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Double scale
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1.5x scale

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.