Home / 18,563,128,687.84-25,617,120,352.76-10,105,016,675.12

Finding the Fourth Proportional to 18,563,128,687.84, 25,617,120,352.76 and 10,105,016,675.12

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Solution

The fourth proportional to 18,563,128,687.84, 25,617,120,352.76 and 10,105,016,675.12 is: 13,944,924,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563,128,687.84 : 25,617,120,352.76 = 10,105,016,675.12 : x
  2. Step 2: Convert to fraction form
    18,563,128,687.84/25,617,120,352.76 = 10,105,016,675.12/x
  3. Step 3: Cross multiply
    18,563,128,687.84x = 25,617,120,352.76 × 10,105,016,675.12
  4. Step 4: Simplify right side
    18,563,128,687.84x = 258,861,428,333,195,755,520
  5. Step 5: Solve for x
    x = 258,861,428,333,195,755,520/18,563,128,687.84
  6. Step 6: Final answer
    x = 13,944,924,516.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.