Home / 2,071,712,916.54-2,858,930,459.91-1,131,895,378.62

Finding the Fourth Proportional to 2,071,712,916.54, 2,858,930,459.91 and 1,131,895,378.62

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Solution

The fourth proportional to 2,071,712,916.54, 2,858,930,459.91 and 1,131,895,378.62 is: 1,561,997,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,712,916.54 : 2,858,930,459.91 = 1,131,895,378.62 : x
  2. Step 2: Convert to fraction form
    2,071,712,916.54/2,858,930,459.91 = 1,131,895,378.62/x
  3. Step 3: Cross multiply
    2,071,712,916.54x = 2,858,930,459.91 × 1,131,895,378.62
  4. Step 4: Simplify right side
    2,071,712,916.54x = 3,236,010,175,368,079,872
  5. Step 5: Solve for x
    x = 3,236,010,175,368,079,872/2,071,712,916.54
  6. Step 6: Final answer
    x = 1,561,997,393.33

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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.