Home / 28,006,113,865.42-38,648,553,577.11-15,145,753,824.22

Finding the Fourth Proportional to 28,006,113,865.42, 38,648,553,577.11 and 15,145,753,824.22

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Solution

The fourth proportional to 28,006,113,865.42, 38,648,553,577.11 and 15,145,753,824.22 is: 20,901,203,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,113,865.42 : 38,648,553,577.11 = 15,145,753,824.22 : x
  2. Step 2: Convert to fraction form
    28,006,113,865.42/38,648,553,577.11 = 15,145,753,824.22/x
  3. Step 3: Cross multiply
    28,006,113,865.42x = 38,648,553,577.11 × 15,145,753,824.22
  4. Step 4: Simplify right side
    28,006,113,865.42x = 585,361,478,141,008,084,992
  5. Step 5: Solve for x
    x = 585,361,478,141,008,084,992/28,006,113,865.42
  6. Step 6: Final answer
    x = 20,901,203,249.90

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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.