Home / 935,629,360.56-1,291,178,721.24-517,948,621.02

Finding the Fourth Proportional to 935,629,360.56, 1,291,178,721.24 and 517,948,621.02

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Solution

The fourth proportional to 935,629,360.56, 1,291,178,721.24 and 517,948,621.02 is: 714,774,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,629,360.56 : 1,291,178,721.24 = 517,948,621.02 : x
  2. Step 2: Convert to fraction form
    935,629,360.56/1,291,178,721.24 = 517,948,621.02/x
  3. Step 3: Cross multiply
    935,629,360.56x = 1,291,178,721.24 × 517,948,621.02
  4. Step 4: Simplify right side
    935,629,360.56x = 668,764,238,156,625,024
  5. Step 5: Solve for x
    x = 668,764,238,156,625,024/935,629,360.56
  6. Step 6: Final answer
    x = 714,774,745.59

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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.