Home / 993,888,000.70-1,490,832,001.05-266,950,195.90

Finding the Fourth Proportional to 993,888,000.70, 1,490,832,001.05 and 266,950,195.90

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Solution

The fourth proportional to 993,888,000.70, 1,490,832,001.05 and 266,950,195.90 is: 400,425,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,888,000.70 : 1,490,832,001.05 = 266,950,195.90 : x
  2. Step 2: Convert to fraction form
    993,888,000.70/1,490,832,001.05 = 266,950,195.90/x
  3. Step 3: Cross multiply
    993,888,000.70x = 1,490,832,001.05 × 266,950,195.90
  4. Step 4: Simplify right side
    993,888,000.70x = 397,977,894,734,286,528
  5. Step 5: Solve for x
    x = 397,977,894,734,286,528/993,888,000.70
  6. Step 6: Final answer
    x = 400,425,293.85

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Similar ratio
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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.