Home / 2,549,228,441.56-3,518,043,819.72-1,420,197,565.66

Finding the Fourth Proportional to 2,549,228,441.56, 3,518,043,819.72 and 1,420,197,565.66

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Solution

The fourth proportional to 2,549,228,441.56, 3,518,043,819.72 and 1,420,197,565.66 is: 1,959,933,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,228,441.56 : 3,518,043,819.72 = 1,420,197,565.66 : x
  2. Step 2: Convert to fraction form
    2,549,228,441.56/3,518,043,819.72 = 1,420,197,565.66/x
  3. Step 3: Cross multiply
    2,549,228,441.56x = 3,518,043,819.72 × 1,420,197,565.66
  4. Step 4: Simplify right side
    2,549,228,441.56x = 4,996,317,268,651,551,744
  5. Step 5: Solve for x
    x = 4,996,317,268,651,551,744/2,549,228,441.56
  6. Step 6: Final answer
    x = 1,959,933,126.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.