Home / 782,447,026.08-1,079,801,195.34-430,016,612.52

Finding the Fourth Proportional to 782,447,026.08, 1,079,801,195.34 and 430,016,612.52

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Solution

The fourth proportional to 782,447,026.08, 1,079,801,195.34 and 430,016,612.52 is: 593,436,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,447,026.08 : 1,079,801,195.34 = 430,016,612.52 : x
  2. Step 2: Convert to fraction form
    782,447,026.08/1,079,801,195.34 = 430,016,612.52/x
  3. Step 3: Cross multiply
    782,447,026.08x = 1,079,801,195.34 × 430,016,612.52
  4. Step 4: Simplify right side
    782,447,026.08x = 464,332,452,215,153,536
  5. Step 5: Solve for x
    x = 464,332,452,215,153,536/782,447,026.08
  6. Step 6: Final answer
    x = 593,436,279.69

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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.