Home / 10,081,170,642.80-15,121,755,964.20-9,082,486,715.60

Finding the Fourth Proportional to 10,081,170,642.80, 15,121,755,964.20 and 9,082,486,715.60

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Solution

The fourth proportional to 10,081,170,642.80, 15,121,755,964.20 and 9,082,486,715.60 is: 13,623,730,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,170,642.80 : 15,121,755,964.20 = 9,082,486,715.60 : x
  2. Step 2: Convert to fraction form
    10,081,170,642.80/15,121,755,964.20 = 9,082,486,715.60/x
  3. Step 3: Cross multiply
    10,081,170,642.80x = 15,121,755,964.20 × 9,082,486,715.60
  4. Step 4: Simplify right side
    10,081,170,642.80x = 137,343,147,661,391,577,088
  5. Step 5: Solve for x
    x = 137,343,147,661,391,577,088/10,081,170,642.80
  6. Step 6: Final answer
    x = 13,623,730,073.40

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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.