Home / 488,543,885.40-732,815,828.10-216,446,093.40

Finding the Fourth Proportional to 488,543,885.40, 732,815,828.10 and 216,446,093.40

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Solution

The fourth proportional to 488,543,885.40, 732,815,828.10 and 216,446,093.40 is: 324,669,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,543,885.40 : 732,815,828.10 = 216,446,093.40 : x
  2. Step 2: Convert to fraction form
    488,543,885.40/732,815,828.10 = 216,446,093.40/x
  3. Step 3: Cross multiply
    488,543,885.40x = 732,815,828.10 × 216,446,093.40
  4. Step 4: Simplify right side
    488,543,885.40x = 158,615,123,173,930,944
  5. Step 5: Solve for x
    x = 158,615,123,173,930,944/488,543,885.40
  6. Step 6: Final answer
    x = 324,669,140.10

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1.5x scale

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.