Home / 1,011,043,709.80-1,516,565,564.70-493,207,599.40

Finding the Fourth Proportional to 1,011,043,709.80, 1,516,565,564.70 and 493,207,599.40

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Solution

The fourth proportional to 1,011,043,709.80, 1,516,565,564.70 and 493,207,599.40 is: 739,811,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,043,709.80 : 1,516,565,564.70 = 493,207,599.40 : x
  2. Step 2: Convert to fraction form
    1,011,043,709.80/1,516,565,564.70 = 493,207,599.40/x
  3. Step 3: Cross multiply
    1,011,043,709.80x = 1,516,565,564.70 × 493,207,599.40
  4. Step 4: Simplify right side
    1,011,043,709.80x = 747,981,661,498,392,320
  5. Step 5: Solve for x
    x = 747,981,661,498,392,320/1,011,043,709.80
  6. Step 6: Final answer
    x = 739,811,399.10

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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.