Home / 818,690,344.80-1,227,901,003.92-293,950,819.68

Finding the Fourth Proportional to 818,690,344.80, 1,227,901,003.92 and 293,950,819.68

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Solution

The fourth proportional to 818,690,344.80, 1,227,901,003.92 and 293,950,819.68 is: 440,877,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,690,344.80 : 1,227,901,003.92 = 293,950,819.68 : x
  2. Step 2: Convert to fraction form
    818,690,344.80/1,227,901,003.92 = 293,950,819.68/x
  3. Step 3: Cross multiply
    818,690,344.80x = 1,227,901,003.92 × 293,950,819.68
  4. Step 4: Simplify right side
    818,690,344.80x = 360,942,506,588,178,944
  5. Step 5: Solve for x
    x = 360,942,506,588,178,944/818,690,344.80
  6. Step 6: Final answer
    x = 440,877,932.52

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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.