Home / 3,012,086,078.10-4,518,129,117.15-2,133,932,969.70

Finding the Fourth Proportional to 3,012,086,078.10, 4,518,129,117.15 and 2,133,932,969.70

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Solution

The fourth proportional to 3,012,086,078.10, 4,518,129,117.15 and 2,133,932,969.70 is: 3,200,899,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,086,078.10 : 4,518,129,117.15 = 2,133,932,969.70 : x
  2. Step 2: Convert to fraction form
    3,012,086,078.10/4,518,129,117.15 = 2,133,932,969.70/x
  3. Step 3: Cross multiply
    3,012,086,078.10x = 4,518,129,117.15 × 2,133,932,969.70
  4. Step 4: Simplify right side
    3,012,086,078.10x = 9,641,384,684,447,938,560
  5. Step 5: Solve for x
    x = 9,641,384,684,447,938,560/3,012,086,078.10
  6. Step 6: Final answer
    x = 3,200,899,454.55

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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.