Home / 31,587,159,927.96-47,380,737,014.78-13,900,837,630.76

Finding the Fourth Proportional to 31,587,159,927.96, 47,380,737,014.78 and 13,900,837,630.76

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Solution

The fourth proportional to 31,587,159,927.96, 47,380,737,014.78 and 13,900,837,630.76 is: 20,851,255,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587,159,927.96 : 47,380,737,014.78 = 13,900,837,630.76 : x
  2. Step 2: Convert to fraction form
    31,587,159,927.96/47,380,737,014.78 = 13,900,837,630.76/x
  3. Step 3: Cross multiply
    31,587,159,927.96x = 47,380,737,014.78 × 13,900,837,630.76
  4. Step 4: Simplify right side
    31,587,159,927.96x = 658,631,932,068,197,040,128
  5. Step 5: Solve for x
    x = 658,631,932,068,197,040,128/31,587,159,927.96
  6. Step 6: Final answer
    x = 20,851,255,179.96

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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.