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Finding the Fourth Proportional to 42,835,677,079.20, 64,253,515,618.80 and 42,835,677,079.20

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Solution

The fourth proportional to 42,835,677,079.20, 64,253,515,618.80 and 42,835,677,079.20 is: 64,253,515,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,835,677,079.20 : 64,253,515,618.80 = 42,835,677,079.20 : x
  2. Step 2: Convert to fraction form
    42,835,677,079.20/64,253,515,618.80 = 42,835,677,079.20/x
  3. Step 3: Cross multiply
    42,835,677,079.20x = 64,253,515,618.80 × 42,835,677,079.20
  4. Step 4: Simplify right side
    42,835,677,079.20x = 2,752,342,846,250,250,403,840
  5. Step 5: Solve for x
    x = 2,752,342,846,250,250,403,840/42,835,677,079.20
  6. Step 6: Final answer
    x = 64,253,515,618.80

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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.