Home / 772,517,435.70-1,158,776,153.55-527,629,422.90

Finding the Fourth Proportional to 772,517,435.70, 1,158,776,153.55 and 527,629,422.90

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Solution

The fourth proportional to 772,517,435.70, 1,158,776,153.55 and 527,629,422.90 is: 791,444,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,517,435.70 : 1,158,776,153.55 = 527,629,422.90 : x
  2. Step 2: Convert to fraction form
    772,517,435.70/1,158,776,153.55 = 527,629,422.90/x
  3. Step 3: Cross multiply
    772,517,435.70x = 1,158,776,153.55 × 527,629,422.90
  4. Step 4: Simplify right side
    772,517,435.70x = 611,404,393,167,868,288
  5. Step 5: Solve for x
    x = 611,404,393,167,868,288/772,517,435.70
  6. Step 6: Final answer
    x = 791,444,134.35

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Double scale
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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.