Home / 5,112,555,347.40-7,668,833,021.10-3,371,129,478.60

Finding the Fourth Proportional to 5,112,555,347.40, 7,668,833,021.10 and 3,371,129,478.60

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Solution

The fourth proportional to 5,112,555,347.40, 7,668,833,021.10 and 3,371,129,478.60 is: 5,056,694,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,555,347.40 : 7,668,833,021.10 = 3,371,129,478.60 : x
  2. Step 2: Convert to fraction form
    5,112,555,347.40/7,668,833,021.10 = 3,371,129,478.60/x
  3. Step 3: Cross multiply
    5,112,555,347.40x = 7,668,833,021.10 × 3,371,129,478.60
  4. Step 4: Simplify right side
    5,112,555,347.40x = 25,852,629,063,891,304,448
  5. Step 5: Solve for x
    x = 25,852,629,063,891,304,448/5,112,555,347.40
  6. Step 6: Final answer
    x = 5,056,694,217.90

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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.