Home / 10,640,394,499.20-15,960,591,748.80-6,722,186,294.40

Finding the Fourth Proportional to 10,640,394,499.20, 15,960,591,748.80 and 6,722,186,294.40

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Solution

The fourth proportional to 10,640,394,499.20, 15,960,591,748.80 and 6,722,186,294.40 is: 10,083,279,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640,394,499.20 : 15,960,591,748.80 = 6,722,186,294.40 : x
  2. Step 2: Convert to fraction form
    10,640,394,499.20/15,960,591,748.80 = 6,722,186,294.40/x
  3. Step 3: Cross multiply
    10,640,394,499.20x = 15,960,591,748.80 × 6,722,186,294.40
  4. Step 4: Simplify right side
    10,640,394,499.20x = 107,290,071,104,297,074,688
  5. Step 5: Solve for x
    x = 107,290,071,104,297,074,688/10,640,394,499.20
  6. Step 6: Final answer
    x = 10,083,279,441.60

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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.