Home / 7,225,344,513.60-10,838,016,770.40-2,629,317,940.80

Finding the Fourth Proportional to 7,225,344,513.60, 10,838,016,770.40 and 2,629,317,940.80

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Solution

The fourth proportional to 7,225,344,513.60, 10,838,016,770.40 and 2,629,317,940.80 is: 3,943,976,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225,344,513.60 : 10,838,016,770.40 = 2,629,317,940.80 : x
  2. Step 2: Convert to fraction form
    7,225,344,513.60/10,838,016,770.40 = 2,629,317,940.80/x
  3. Step 3: Cross multiply
    7,225,344,513.60x = 10,838,016,770.40 × 2,629,317,940.80
  4. Step 4: Simplify right side
    7,225,344,513.60x = 28,496,591,937,103,994,880
  5. Step 5: Solve for x
    x = 28,496,591,937,103,994,880/7,225,344,513.60
  6. Step 6: Final answer
    x = 3,943,976,911.20

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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.