Home / 664,302,565.70-996,453,848.55-479,679,962.30

Finding the Fourth Proportional to 664,302,565.70, 996,453,848.55 and 479,679,962.30

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Solution

The fourth proportional to 664,302,565.70, 996,453,848.55 and 479,679,962.30 is: 719,519,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,565.70 : 996,453,848.55 = 479,679,962.30 : x
  2. Step 2: Convert to fraction form
    664,302,565.70/996,453,848.55 = 479,679,962.30/x
  3. Step 3: Cross multiply
    664,302,565.70x = 996,453,848.55 × 479,679,962.30
  4. Step 4: Simplify right side
    664,302,565.70x = 477,978,944,506,153,920
  5. Step 5: Solve for x
    x = 477,978,944,506,153,920/664,302,565.70
  6. Step 6: Final answer
    x = 719,519,943.45

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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.