Home / 818,800,974.70-1,226,951,681.76-486,152,933.12

Finding the Fourth Proportional to 818,800,974.70, 1,226,951,681.76 and 486,152,933.12

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Solution

The fourth proportional to 818,800,974.70, 1,226,951,681.76 and 486,152,933.12 is: 728,487,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,800,974.70 : 1,226,951,681.76 = 486,152,933.12 : x
  2. Step 2: Convert to fraction form
    818,800,974.70/1,226,951,681.76 = 486,152,933.12/x
  3. Step 3: Cross multiply
    818,800,974.70x = 1,226,951,681.76 × 486,152,933.12
  4. Step 4: Simplify right side
    818,800,974.70x = 596,486,158,889,957,248
  5. Step 5: Solve for x
    x = 596,486,158,889,957,248/818,800,974.70
  6. Step 6: Final answer
    x = 728,487,358.13

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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.