Home / 611,731,904.10-917,597,856.15-550,509,900.90

Finding the Fourth Proportional to 611,731,904.10, 917,597,856.15 and 550,509,900.90

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Solution

The fourth proportional to 611,731,904.10, 917,597,856.15 and 550,509,900.90 is: 825,764,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,731,904.10 : 917,597,856.15 = 550,509,900.90 : x
  2. Step 2: Convert to fraction form
    611,731,904.10/917,597,856.15 = 550,509,900.90/x
  3. Step 3: Cross multiply
    611,731,904.10x = 917,597,856.15 × 550,509,900.90
  4. Step 4: Simplify right side
    611,731,904.10x = 505,146,704,855,188,928
  5. Step 5: Solve for x
    x = 505,146,704,855,188,928/611,731,904.10
  6. Step 6: Final answer
    x = 825,764,851.35

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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.