Home / 7,920,882,115.60-11,881,323,173.40-6,642,394,501.90

Finding the Fourth Proportional to 7,920,882,115.60, 11,881,323,173.40 and 6,642,394,501.90

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Solution

The fourth proportional to 7,920,882,115.60, 11,881,323,173.40 and 6,642,394,501.90 is: 9,963,591,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,882,115.60 : 11,881,323,173.40 = 6,642,394,501.90 : x
  2. Step 2: Convert to fraction form
    7,920,882,115.60/11,881,323,173.40 = 6,642,394,501.90/x
  3. Step 3: Cross multiply
    7,920,882,115.60x = 11,881,323,173.40 × 6,642,394,501.90
  4. Step 4: Simplify right side
    7,920,882,115.60x = 78,920,435,722,289,217,536
  5. Step 5: Solve for x
    x = 78,920,435,722,289,217,536/7,920,882,115.60
  6. Step 6: Final answer
    x = 9,963,591,752.85

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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.