Home / 20,104,479,097.35-27,747,197,394.60-15,273,895,013.55

Finding the Fourth Proportional to 20,104,479,097.35, 27,747,197,394.60 and 15,273,895,013.55

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Solution

The fourth proportional to 20,104,479,097.35, 27,747,197,394.60 and 15,273,895,013.55 is: 21,080,266,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104,479,097.35 : 27,747,197,394.60 = 15,273,895,013.55 : x
  2. Step 2: Convert to fraction form
    20,104,479,097.35/27,747,197,394.60 = 15,273,895,013.55/x
  3. Step 3: Cross multiply
    20,104,479,097.35x = 27,747,197,394.60 × 15,273,895,013.55
  4. Step 4: Simplify right side
    20,104,479,097.35x = 423,807,779,925,368,438,784
  5. Step 5: Solve for x
    x = 423,807,779,925,368,438,784/20,104,479,097.35
  6. Step 6: Final answer
    x = 21,080,266,634.77

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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.