Home / 12,241,743,861.20-18,369,613,196.71-6,646,135,909.95

Finding the Fourth Proportional to 12,241,743,861.20, 18,369,613,196.71 and 6,646,135,909.95

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Solution

The fourth proportional to 12,241,743,861.20, 18,369,613,196.71 and 6,646,135,909.95 is: 9,973,002,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,743,861.20 : 18,369,613,196.71 = 6,646,135,909.95 : x
  2. Step 2: Convert to fraction form
    12,241,743,861.20/18,369,613,196.71 = 6,646,135,909.95/x
  3. Step 3: Cross multiply
    12,241,743,861.20x = 18,369,613,196.71 × 6,646,135,909.95
  4. Step 4: Simplify right side
    12,241,743,861.20x = 122,086,945,918,532,452,352
  5. Step 5: Solve for x
    x = 122,086,945,918,532,452,352/12,241,743,861.20
  6. Step 6: Final answer
    x = 9,973,002,809.31

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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.