Home / 10,202,359,560.60-15,303,539,340.90-9,621,228,827.10

Finding the Fourth Proportional to 10,202,359,560.60, 15,303,539,340.90 and 9,621,228,827.10

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Solution

The fourth proportional to 10,202,359,560.60, 15,303,539,340.90 and 9,621,228,827.10 is: 14,431,843,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202,359,560.60 : 15,303,539,340.90 = 9,621,228,827.10 : x
  2. Step 2: Convert to fraction form
    10,202,359,560.60/15,303,539,340.90 = 9,621,228,827.10/x
  3. Step 3: Cross multiply
    10,202,359,560.60x = 15,303,539,340.90 × 9,621,228,827.10
  4. Step 4: Simplify right side
    10,202,359,560.60x = 147,238,853,863,326,023,680
  5. Step 5: Solve for x
    x = 147,238,853,863,326,023,680/10,202,359,560.60
  6. Step 6: Final answer
    x = 14,431,843,240.65

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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.