Home / 396,854,598.08-595,243,410.02-120,508,205.93

Finding the Fourth Proportional to 396,854,598.08, 595,243,410.02 and 120,508,205.93

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Solution

The fourth proportional to 396,854,598.08, 595,243,410.02 and 120,508,205.93 is: 180,750,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,854,598.08 : 595,243,410.02 = 120,508,205.93 : x
  2. Step 2: Convert to fraction form
    396,854,598.08/595,243,410.02 = 120,508,205.93/x
  3. Step 3: Cross multiply
    396,854,598.08x = 595,243,410.02 × 120,508,205.93
  4. Step 4: Simplify right side
    396,854,598.08x = 71,731,715,432,948,144
  5. Step 5: Solve for x
    x = 71,731,715,432,948,144/396,854,598.08
  6. Step 6: Final answer
    x = 180,750,621.96

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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.