Home / 5,161,872,932,961.90-7,738,992,278,180.70-3,121,654,425,854.20

Finding the Fourth Proportional to 5,161,872,932,961.90, 7,738,992,278,180.70 and 3,121,654,425,854.20

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Solution

The fourth proportional to 5,161,872,932,961.90, 7,738,992,278,180.70 and 3,121,654,425,854.20 is: 4,680,173,225,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,872,932,961.90 : 7,738,992,278,180.70 = 3,121,654,425,854.20 : x
  2. Step 2: Convert to fraction form
    5,161,872,932,961.90/7,738,992,278,180.70 = 3,121,654,425,854.20/x
  3. Step 3: Cross multiply
    5,161,872,932,961.90x = 7,738,992,278,180.70 × 3,121,654,425,854.20
  4. Step 4: Simplify right side
    5,161,872,932,961.90x = 24,158,459,496,834,263,580,409,856
  5. Step 5: Solve for x
    x = 24,158,459,496,834,263,580,409,856/5,161,872,932,961.90
  6. Step 6: Final answer
    x = 4,680,173,225,994.55

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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.