Home / 1,240,754,267.30-1,861,131,400.95-550,731,272.90

Finding the Fourth Proportional to 1,240,754,267.30, 1,861,131,400.95 and 550,731,272.90

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Solution

The fourth proportional to 1,240,754,267.30, 1,861,131,400.95 and 550,731,272.90 is: 826,096,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,754,267.30 : 1,861,131,400.95 = 550,731,272.90 : x
  2. Step 2: Convert to fraction form
    1,240,754,267.30/1,861,131,400.95 = 550,731,272.90/x
  3. Step 3: Cross multiply
    1,240,754,267.30x = 1,861,131,400.95 × 550,731,272.90
  4. Step 4: Simplify right side
    1,240,754,267.30x = 1,024,983,265,479,353,728
  5. Step 5: Solve for x
    x = 1,024,983,265,479,353,728/1,240,754,267.30
  6. Step 6: Final answer
    x = 826,096,909.35

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Double scale
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Similar ratio
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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.