Home / 1,601,472,489.80-2,402,208,734.70-986,061,187.40

Finding the Fourth Proportional to 1,601,472,489.80, 2,402,208,734.70 and 986,061,187.40

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Solution

The fourth proportional to 1,601,472,489.80, 2,402,208,734.70 and 986,061,187.40 is: 1,479,091,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,472,489.80 : 2,402,208,734.70 = 986,061,187.40 : x
  2. Step 2: Convert to fraction form
    1,601,472,489.80/2,402,208,734.70 = 986,061,187.40/x
  3. Step 3: Cross multiply
    1,601,472,489.80x = 2,402,208,734.70 × 986,061,187.40
  4. Step 4: Simplify right side
    1,601,472,489.80x = 2,368,724,797,320,933,376
  5. Step 5: Solve for x
    x = 2,368,724,797,320,933,376/1,601,472,489.80
  6. Step 6: Final answer
    x = 1,479,091,781.10

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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.