Home / 1,244,215,667.60-1,716,984,346.92-687,286,728.08

Finding the Fourth Proportional to 1,244,215,667.60, 1,716,984,346.92 and 687,286,728.08

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Solution

The fourth proportional to 1,244,215,667.60, 1,716,984,346.92 and 687,286,728.08 is: 948,437,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,215,667.60 : 1,716,984,346.92 = 687,286,728.08 : x
  2. Step 2: Convert to fraction form
    1,244,215,667.60/1,716,984,346.92 = 687,286,728.08/x
  3. Step 3: Cross multiply
    1,244,215,667.60x = 1,716,984,346.92 × 687,286,728.08
  4. Step 4: Simplify right side
    1,244,215,667.60x = 1,180,060,553,959,222,528
  5. Step 5: Solve for x
    x = 1,180,060,553,959,222,528/1,244,215,667.60
  6. Step 6: Final answer
    x = 948,437,304.47

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.