Home / 993,951,736.20-1,490,927,604.30-987,905,118.60

Finding the Fourth Proportional to 993,951,736.20, 1,490,927,604.30 and 987,905,118.60

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Solution

The fourth proportional to 993,951,736.20, 1,490,927,604.30 and 987,905,118.60 is: 1,481,857,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,951,736.20 : 1,490,927,604.30 = 987,905,118.60 : x
  2. Step 2: Convert to fraction form
    993,951,736.20/1,490,927,604.30 = 987,905,118.60/x
  3. Step 3: Cross multiply
    993,951,736.20x = 1,490,927,604.30 × 987,905,118.60
  4. Step 4: Simplify right side
    993,951,736.20x = 1,472,895,011,750,005,248
  5. Step 5: Solve for x
    x = 1,472,895,011,750,005,248/993,951,736.20
  6. Step 6: Final answer
    x = 1,481,857,677.90

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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.