Home / 12,261,558,495.40-18,392,337,743.10-8,391,723,231.40

Finding the Fourth Proportional to 12,261,558,495.40, 18,392,337,743.10 and 8,391,723,231.40

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Solution

The fourth proportional to 12,261,558,495.40, 18,392,337,743.10 and 8,391,723,231.40 is: 12,587,584,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261,558,495.40 : 18,392,337,743.10 = 8,391,723,231.40 : x
  2. Step 2: Convert to fraction form
    12,261,558,495.40/18,392,337,743.10 = 8,391,723,231.40/x
  3. Step 3: Cross multiply
    12,261,558,495.40x = 18,392,337,743.10 × 8,391,723,231.40
  4. Step 4: Simplify right side
    12,261,558,495.40x = 154,343,407,918,527,283,200
  5. Step 5: Solve for x
    x = 154,343,407,918,527,283,200/12,261,558,495.40
  6. Step 6: Final answer
    x = 12,587,584,847.10

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Double scale
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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.