Home / 9,121,062,099.06-12,587,584,367.17-5,106,697,247.87

Finding the Fourth Proportional to 9,121,062,099.06, 12,587,584,367.17 and 5,106,697,247.87

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Solution

The fourth proportional to 9,121,062,099.06, 12,587,584,367.17 and 5,106,697,247.87 is: 7,047,532,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,062,099.06 : 12,587,584,367.17 = 5,106,697,247.87 : x
  2. Step 2: Convert to fraction form
    9,121,062,099.06/12,587,584,367.17 = 5,106,697,247.87/x
  3. Step 3: Cross multiply
    9,121,062,099.06x = 12,587,584,367.17 × 5,106,697,247.87
  4. Step 4: Simplify right side
    9,121,062,099.06x = 64,280,982,445,147,217,920
  5. Step 5: Solve for x
    x = 64,280,982,445,147,217,920/9,121,062,099.06
  6. Step 6: Final answer
    x = 7,047,532,595.11

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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.