Home / 299,610,545.40-449,415,818.10-84,199,793.40

Finding the Fourth Proportional to 299,610,545.40, 449,415,818.10 and 84,199,793.40

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Solution

The fourth proportional to 299,610,545.40, 449,415,818.10 and 84,199,793.40 is: 126,299,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,610,545.40 : 449,415,818.10 = 84,199,793.40 : x
  2. Step 2: Convert to fraction form
    299,610,545.40/449,415,818.10 = 84,199,793.40/x
  3. Step 3: Cross multiply
    299,610,545.40x = 449,415,818.10 × 84,199,793.40
  4. Step 4: Simplify right side
    299,610,545.40x = 37,840,719,034,711,984
  5. Step 5: Solve for x
    x = 37,840,719,034,711,984/299,610,545.40
  6. Step 6: Final answer
    x = 126,299,690.10

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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.