Home / 8,121,542,126,877.90-12,179,728,609,381-2,681,156,010,458.20

Finding the Fourth Proportional to 8,121,542,126,877.90, 12,179,728,609,381 and 2,681,156,010,458.20

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Solution

The fourth proportional to 8,121,542,126,877.90, 12,179,728,609,381 and 2,681,156,010,458.20 is: 4,020,880,770,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,542,126,877.90 : 12,179,728,609,381 = 2,681,156,010,458.20 : x
  2. Step 2: Convert to fraction form
    8,121,542,126,877.90/12,179,728,609,381 = 2,681,156,010,458.20/x
  3. Step 3: Cross multiply
    8,121,542,126,877.90x = 12,179,728,609,381 × 2,681,156,010,458.20
  4. Step 4: Simplify right side
    8,121,542,126,877.90x = 32,655,752,566,791,563,546,460,160
  5. Step 5: Solve for x
    x = 32,655,752,566,791,563,546,460,160/8,121,542,126,877.90
  6. Step 6: Final answer
    x = 4,020,880,770,749.03

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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.