Home / 7,668,998,974.80-11,503,498,462.20-3,949,762,280.40

Finding the Fourth Proportional to 7,668,998,974.80, 11,503,498,462.20 and 3,949,762,280.40

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Solution

The fourth proportional to 7,668,998,974.80, 11,503,498,462.20 and 3,949,762,280.40 is: 5,924,643,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668,998,974.80 : 11,503,498,462.20 = 3,949,762,280.40 : x
  2. Step 2: Convert to fraction form
    7,668,998,974.80/11,503,498,462.20 = 3,949,762,280.40/x
  3. Step 3: Cross multiply
    7,668,998,974.80x = 11,503,498,462.20 × 3,949,762,280.40
  4. Step 4: Simplify right side
    7,668,998,974.80x = 45,436,084,318,636,965,888
  5. Step 5: Solve for x
    x = 45,436,084,318,636,965,888/7,668,998,974.80
  6. Step 6: Final answer
    x = 5,924,643,420.60

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Double scale
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Similar ratio
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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.