Home / 83,681,577,289.20-115,479,473,836.08-47,059,681,784.16

Finding the Fourth Proportional to 83,681,577,289.20, 115,479,473,836.08 and 47,059,681,784.16

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Solution

The fourth proportional to 83,681,577,289.20, 115,479,473,836.08 and 47,059,681,784.16 is: 64,941,740,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,681,577,289.20 : 115,479,473,836.08 = 47,059,681,784.16 : x
  2. Step 2: Convert to fraction form
    83,681,577,289.20/115,479,473,836.08 = 47,059,681,784.16/x
  3. Step 3: Cross multiply
    83,681,577,289.20x = 115,479,473,836.08 × 47,059,681,784.16
  4. Step 4: Simplify right side
    83,681,577,289.20x = 5,434,427,291,328,156,008,448
  5. Step 5: Solve for x
    x = 5,434,427,291,328,156,008,448/83,681,577,289.20
  6. Step 6: Final answer
    x = 64,941,740,671.87

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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.