Home / 649,653,347.20-974,480,020.80-496,598,339.20

Finding the Fourth Proportional to 649,653,347.20, 974,480,020.80 and 496,598,339.20

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Solution

The fourth proportional to 649,653,347.20, 974,480,020.80 and 496,598,339.20 is: 744,897,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,653,347.20 : 974,480,020.80 = 496,598,339.20 : x
  2. Step 2: Convert to fraction form
    649,653,347.20/974,480,020.80 = 496,598,339.20/x
  3. Step 3: Cross multiply
    649,653,347.20x = 974,480,020.80 × 496,598,339.20
  4. Step 4: Simplify right side
    649,653,347.20x = 483,925,159,912,861,440
  5. Step 5: Solve for x
    x = 483,925,159,912,861,440/649,653,347.20
  6. Step 6: Final answer
    x = 744,897,508.80

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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.