Home / 12,810,708,383.10-19,216,062,574.65-7,851,726,123.90

Finding the Fourth Proportional to 12,810,708,383.10, 19,216,062,574.65 and 7,851,726,123.90

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Solution

The fourth proportional to 12,810,708,383.10, 19,216,062,574.65 and 7,851,726,123.90 is: 11,777,589,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810,708,383.10 : 19,216,062,574.65 = 7,851,726,123.90 : x
  2. Step 2: Convert to fraction form
    12,810,708,383.10/19,216,062,574.65 = 7,851,726,123.90/x
  3. Step 3: Cross multiply
    12,810,708,383.10x = 19,216,062,574.65 × 7,851,726,123.90
  4. Step 4: Simplify right side
    12,810,708,383.10x = 150,879,260,515,876,503,552
  5. Step 5: Solve for x
    x = 150,879,260,515,876,503,552/12,810,708,383.10
  6. Step 6: Final answer
    x = 11,777,589,185.85

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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.