Home / 1,238,614,712.80-1,857,922,069.20-502,037,486.80

Finding the Fourth Proportional to 1,238,614,712.80, 1,857,922,069.20 and 502,037,486.80

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Solution

The fourth proportional to 1,238,614,712.80, 1,857,922,069.20 and 502,037,486.80 is: 753,056,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,614,712.80 : 1,857,922,069.20 = 502,037,486.80 : x
  2. Step 2: Convert to fraction form
    1,238,614,712.80/1,857,922,069.20 = 502,037,486.80/x
  3. Step 3: Cross multiply
    1,238,614,712.80x = 1,857,922,069.20 × 502,037,486.80
  4. Step 4: Simplify right side
    1,238,614,712.80x = 932,746,526,291,423,744
  5. Step 5: Solve for x
    x = 932,746,526,291,423,744/1,238,614,712.80
  6. Step 6: Final answer
    x = 753,056,230.20

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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.