Home / 944,786,142.30-1,417,179,213.45-331,290,651.90

Finding the Fourth Proportional to 944,786,142.30, 1,417,179,213.45 and 331,290,651.90

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Solution

The fourth proportional to 944,786,142.30, 1,417,179,213.45 and 331,290,651.90 is: 496,935,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,786,142.30 : 1,417,179,213.45 = 331,290,651.90 : x
  2. Step 2: Convert to fraction form
    944,786,142.30/1,417,179,213.45 = 331,290,651.90/x
  3. Step 3: Cross multiply
    944,786,142.30x = 1,417,179,213.45 × 331,290,651.90
  4. Step 4: Simplify right side
    944,786,142.30x = 469,498,225,482,979,712
  5. Step 5: Solve for x
    x = 469,498,225,482,979,712/944,786,142.30
  6. Step 6: Final answer
    x = 496,935,977.85

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1.5x scale

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.