Home / 814,680,512.64-1,124,259,045.12-443,405,206.08

Finding the Fourth Proportional to 814,680,512.64, 1,124,259,045.12 and 443,405,206.08

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Solution

The fourth proportional to 814,680,512.64, 1,124,259,045.12 and 443,405,206.08 is: 611,899,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,680,512.64 : 1,124,259,045.12 = 443,405,206.08 : x
  2. Step 2: Convert to fraction form
    814,680,512.64/1,124,259,045.12 = 443,405,206.08/x
  3. Step 3: Cross multiply
    814,680,512.64x = 1,124,259,045.12 × 443,405,206.08
  4. Step 4: Simplify right side
    814,680,512.64x = 498,502,313,588,737,536
  5. Step 5: Solve for x
    x = 498,502,313,588,737,536/814,680,512.64
  6. Step 6: Final answer
    x = 611,899,150.47

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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.