Home / 772,332,833.20-1,158,499,249.80-527,444,820.40

Finding the Fourth Proportional to 772,332,833.20, 1,158,499,249.80 and 527,444,820.40

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Solution

The fourth proportional to 772,332,833.20, 1,158,499,249.80 and 527,444,820.40 is: 791,167,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,332,833.20 : 1,158,499,249.80 = 527,444,820.40 : x
  2. Step 2: Convert to fraction form
    772,332,833.20/1,158,499,249.80 = 527,444,820.40/x
  3. Step 3: Cross multiply
    772,332,833.20x = 1,158,499,249.80 × 527,444,820.40
  4. Step 4: Simplify right side
    772,332,833.20x = 611,044,428,744,295,680
  5. Step 5: Solve for x
    x = 611,044,428,744,295,680/772,332,833.20
  6. Step 6: Final answer
    x = 791,167,230.60

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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.