Home / 15,520,959,057.15-23,281,438,585.73-4,479,835,319.55

Finding the Fourth Proportional to 15,520,959,057.15, 23,281,438,585.73 and 4,479,835,319.55

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Solution

The fourth proportional to 15,520,959,057.15, 23,281,438,585.73 and 4,479,835,319.55 is: 6,719,752,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520,959,057.15 : 23,281,438,585.73 = 4,479,835,319.55 : x
  2. Step 2: Convert to fraction form
    15,520,959,057.15/23,281,438,585.73 = 4,479,835,319.55/x
  3. Step 3: Cross multiply
    15,520,959,057.15x = 23,281,438,585.73 × 4,479,835,319.55
  4. Step 4: Simplify right side
    15,520,959,057.15x = 104,297,010,866,265,047,040
  5. Step 5: Solve for x
    x = 104,297,010,866,265,047,040/15,520,959,057.15
  6. Step 6: Final answer
    x = 6,719,752,979.33

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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.