Home / 1,279,704,276.04-1,919,628,158.30-359,508,870.92

Finding the Fourth Proportional to 1,279,704,276.04, 1,919,628,158.30 and 359,508,870.92

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Solution

The fourth proportional to 1,279,704,276.04, 1,919,628,158.30 and 359,508,870.92 is: 539,283,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,704,276.04 : 1,919,628,158.30 = 359,508,870.92 : x
  2. Step 2: Convert to fraction form
    1,279,704,276.04/1,919,628,158.30 = 359,508,870.92/x
  3. Step 3: Cross multiply
    1,279,704,276.04x = 1,919,628,158.30 × 359,508,870.92
  4. Step 4: Simplify right side
    1,279,704,276.04x = 690,123,351,776,672,000
  5. Step 5: Solve for x
    x = 690,123,351,776,672,000/1,279,704,276.04
  6. Step 6: Final answer
    x = 539,283,461.58

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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.