Home / 8,125,635,052.80-11,202,041,229.12-5,449,893,390.72

Finding the Fourth Proportional to 8,125,635,052.80, 11,202,041,229.12 and 5,449,893,390.72

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Solution

The fourth proportional to 8,125,635,052.80, 11,202,041,229.12 and 5,449,893,390.72 is: 7,513,250,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125,635,052.80 : 11,202,041,229.12 = 5,449,893,390.72 : x
  2. Step 2: Convert to fraction form
    8,125,635,052.80/11,202,041,229.12 = 5,449,893,390.72/x
  3. Step 3: Cross multiply
    8,125,635,052.80x = 11,202,041,229.12 × 5,449,893,390.72
  4. Step 4: Simplify right side
    8,125,635,052.80x = 61,049,930,457,154,043,904
  5. Step 5: Solve for x
    x = 61,049,930,457,154,043,904/8,125,635,052.80
  6. Step 6: Final answer
    x = 7,513,250,356.49

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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.