Home / 672,436,834.20-1,008,655,251.30-236,230,061.40

Finding the Fourth Proportional to 672,436,834.20, 1,008,655,251.30 and 236,230,061.40

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Solution

The fourth proportional to 672,436,834.20, 1,008,655,251.30 and 236,230,061.40 is: 354,345,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,436,834.20 : 1,008,655,251.30 = 236,230,061.40 : x
  2. Step 2: Convert to fraction form
    672,436,834.20/1,008,655,251.30 = 236,230,061.40/x
  3. Step 3: Cross multiply
    672,436,834.20x = 1,008,655,251.30 × 236,230,061.40
  4. Step 4: Simplify right side
    672,436,834.20x = 238,274,691,946,031,424
  5. Step 5: Solve for x
    x = 238,274,691,946,031,424/672,436,834.20
  6. Step 6: Final answer
    x = 354,345,092.10

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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.