Home / 4,002,345,945.12-5,520,016,876.22-3,518,503,368.44

Finding the Fourth Proportional to 4,002,345,945.12, 5,520,016,876.22 and 3,518,503,368.44

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Solution

The fourth proportional to 4,002,345,945.12, 5,520,016,876.22 and 3,518,503,368.44 is: 4,852,703,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002,345,945.12 : 5,520,016,876.22 = 3,518,503,368.44 : x
  2. Step 2: Convert to fraction form
    4,002,345,945.12/5,520,016,876.22 = 3,518,503,368.44/x
  3. Step 3: Cross multiply
    4,002,345,945.12x = 5,520,016,876.22 × 3,518,503,368.44
  4. Step 4: Simplify right side
    4,002,345,945.12x = 19,422,197,972,825,718,784
  5. Step 5: Solve for x
    x = 19,422,197,972,825,718,784/4,002,345,945.12
  6. Step 6: Final answer
    x = 4,852,703,449.21

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Double scale
Find fourth proportional to 4,002,345,946.12, 5,520,016,877.60 and 3,518,503,369.44
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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.