Home / 1,293,414,643.20-1,940,121,964.80-373,320,998.40

Finding the Fourth Proportional to 1,293,414,643.20, 1,940,121,964.80 and 373,320,998.40

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Solution

The fourth proportional to 1,293,414,643.20, 1,940,121,964.80 and 373,320,998.40 is: 559,981,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,414,643.20 : 1,940,121,964.80 = 373,320,998.40 : x
  2. Step 2: Convert to fraction form
    1,293,414,643.20/1,940,121,964.80 = 373,320,998.40/x
  3. Step 3: Cross multiply
    1,293,414,643.20x = 1,940,121,964.80 × 373,320,998.40
  4. Step 4: Simplify right side
    1,293,414,643.20x = 724,288,268,916,905,600
  5. Step 5: Solve for x
    x = 724,288,268,916,905,600/1,293,414,643.20
  6. Step 6: Final answer
    x = 559,981,497.60

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Half scale
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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.