Home / 935,156,659.95-1,290,515,348.46-527,873,114.98

Finding the Fourth Proportional to 935,156,659.95, 1,290,515,348.46 and 527,873,114.98

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Solution

The fourth proportional to 935,156,659.95, 1,290,515,348.46 and 527,873,114.98 is: 728,464,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,156,659.95 : 1,290,515,348.46 = 527,873,114.98 : x
  2. Step 2: Convert to fraction form
    935,156,659.95/1,290,515,348.46 = 527,873,114.98/x
  3. Step 3: Cross multiply
    935,156,659.95x = 1,290,515,348.46 × 527,873,114.98
  4. Step 4: Simplify right side
    935,156,659.95x = 681,228,356,921,080,448
  5. Step 5: Solve for x
    x = 681,228,356,921,080,448/935,156,659.95
  6. Step 6: Final answer
    x = 728,464,423.23

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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.