Home / 1,238,614,711.80-1,857,922,067.70-502,037,485.80

Finding the Fourth Proportional to 1,238,614,711.80, 1,857,922,067.70 and 502,037,485.80

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Solution

The fourth proportional to 1,238,614,711.80, 1,857,922,067.70 and 502,037,485.80 is: 753,056,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,614,711.80 : 1,857,922,067.70 = 502,037,485.80 : x
  2. Step 2: Convert to fraction form
    1,238,614,711.80/1,857,922,067.70 = 502,037,485.80/x
  3. Step 3: Cross multiply
    1,238,614,711.80x = 1,857,922,067.70 × 502,037,485.80
  4. Step 4: Simplify right side
    1,238,614,711.80x = 932,746,523,680,445,440
  5. Step 5: Solve for x
    x = 932,746,523,680,445,440/1,238,614,711.80
  6. Step 6: Final answer
    x = 753,056,228.70

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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.