Home / 65,445,644,711.52-90,314,948,908.39-35,372,129,252.89

Finding the Fourth Proportional to 65,445,644,711.52, 90,314,948,908.39 and 35,372,129,252.89

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Solution

The fourth proportional to 65,445,644,711.52, 90,314,948,908.39 and 35,372,129,252.89 is: 48,813,516,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,445,644,711.52 : 90,314,948,908.39 = 35,372,129,252.89 : x
  2. Step 2: Convert to fraction form
    65,445,644,711.52/90,314,948,908.39 = 35,372,129,252.89/x
  3. Step 3: Cross multiply
    65,445,644,711.52x = 90,314,948,908.39 × 35,372,129,252.89
  4. Step 4: Simplify right side
    65,445,644,711.52x = 3,194,632,046,255,817,621,504
  5. Step 5: Solve for x
    x = 3,194,632,046,255,817,621,504/65,445,644,711.52
  6. Step 6: Final answer
    x = 48,813,516,320.88

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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.