Home / 611,746,908.03-918,262,192.48-542,162,348.73

Finding the Fourth Proportional to 611,746,908.03, 918,262,192.48 and 542,162,348.73

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Solution

The fourth proportional to 611,746,908.03, 918,262,192.48 and 542,162,348.73 is: 813,812,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,746,908.03 : 918,262,192.48 = 542,162,348.73 : x
  2. Step 2: Convert to fraction form
    611,746,908.03/918,262,192.48 = 542,162,348.73/x
  3. Step 3: Cross multiply
    611,746,908.03x = 918,262,192.48 × 542,162,348.73
  4. Step 4: Simplify right side
    611,746,908.03x = 497,847,187,023,560,704
  5. Step 5: Solve for x
    x = 497,847,187,023,560,704/611,746,908.03
  6. Step 6: Final answer
    x = 813,812,347.05

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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.