Home / 5,306,069,409.38-7,954,910,421.72-2,648,761,691.74

Finding the Fourth Proportional to 5,306,069,409.38, 7,954,910,421.72 and 2,648,761,691.74

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Solution

The fourth proportional to 5,306,069,409.38, 7,954,910,421.72 and 2,648,761,691.74 is: 3,971,049,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306,069,409.38 : 7,954,910,421.72 = 2,648,761,691.74 : x
  2. Step 2: Convert to fraction form
    5,306,069,409.38/7,954,910,421.72 = 2,648,761,691.74/x
  3. Step 3: Cross multiply
    5,306,069,409.38x = 7,954,910,421.72 × 2,648,761,691.74
  4. Step 4: Simplify right side
    5,306,069,409.38x = 21,070,661,986,275,221,504
  5. Step 5: Solve for x
    x = 21,070,661,986,275,221,504/5,306,069,409.38
  6. Step 6: Final answer
    x = 3,971,049,068.64

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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.