Home / 462,672,000.80-694,008,001.20-442,264,666.40

Finding the Fourth Proportional to 462,672,000.80, 694,008,001.20 and 442,264,666.40

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Solution

The fourth proportional to 462,672,000.80, 694,008,001.20 and 442,264,666.40 is: 663,396,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,672,000.80 : 694,008,001.20 = 442,264,666.40 : x
  2. Step 2: Convert to fraction form
    462,672,000.80/694,008,001.20 = 442,264,666.40/x
  3. Step 3: Cross multiply
    462,672,000.80x = 694,008,001.20 × 442,264,666.40
  4. Step 4: Simplify right side
    462,672,000.80x = 306,935,217,129,648,832
  5. Step 5: Solve for x
    x = 306,935,217,129,648,832/462,672,000.80
  6. Step 6: Final answer
    x = 663,396,999.60

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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.