Home / 10,081,172,605.80-15,121,758,908.70-9,082,488,678.60

Finding the Fourth Proportional to 10,081,172,605.80, 15,121,758,908.70 and 9,082,488,678.60

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Solution

The fourth proportional to 10,081,172,605.80, 15,121,758,908.70 and 9,082,488,678.60 is: 13,623,733,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,172,605.80 : 15,121,758,908.70 = 9,082,488,678.60 : x
  2. Step 2: Convert to fraction form
    10,081,172,605.80/15,121,758,908.70 = 9,082,488,678.60/x
  3. Step 3: Cross multiply
    10,081,172,605.80x = 15,121,758,908.70 × 9,082,488,678.60
  4. Step 4: Simplify right side
    10,081,172,605.80x = 137,343,204,088,786,452,480
  5. Step 5: Solve for x
    x = 137,343,204,088,786,452,480/10,081,172,605.80
  6. Step 6: Final answer
    x = 13,623,733,017.90

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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.