Home / 10,097,980,092.78-13,934,945,217.15-5,642,681,079.66

Finding the Fourth Proportional to 10,097,980,092.78, 13,934,945,217.15 and 5,642,681,079.66

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Solution

The fourth proportional to 10,097,980,092.78, 13,934,945,217.15 and 5,642,681,079.66 is: 7,786,750,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097,980,092.78 : 13,934,945,217.15 = 5,642,681,079.66 : x
  2. Step 2: Convert to fraction form
    10,097,980,092.78/13,934,945,217.15 = 5,642,681,079.66/x
  3. Step 3: Cross multiply
    10,097,980,092.78x = 13,934,945,217.15 × 5,642,681,079.66
  4. Step 4: Simplify right side
    10,097,980,092.78x = 78,630,451,722,910,908,416
  5. Step 5: Solve for x
    x = 78,630,451,722,910,908,416/10,097,980,092.78
  6. Step 6: Final answer
    x = 7,786,750,518.47

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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.