Home / 664,306,031.70-996,459,047.55-492,119,147.70

Finding the Fourth Proportional to 664,306,031.70, 996,459,047.55 and 492,119,147.70

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Solution

The fourth proportional to 664,306,031.70, 996,459,047.55 and 492,119,147.70 is: 738,178,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,306,031.70 : 996,459,047.55 = 492,119,147.70 : x
  2. Step 2: Convert to fraction form
    664,306,031.70/996,459,047.55 = 492,119,147.70/x
  3. Step 3: Cross multiply
    664,306,031.70x = 996,459,047.55 × 492,119,147.70
  4. Step 4: Simplify right side
    664,306,031.70x = 490,376,577,198,259,712
  5. Step 5: Solve for x
    x = 490,376,577,198,259,712/664,306,031.70
  6. Step 6: Final answer
    x = 738,178,721.55

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Double scale
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Similar ratio
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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.