Home / 3,147,247,498.60-4,720,871,247.90-2,228,161,623.40

Finding the Fourth Proportional to 3,147,247,498.60, 4,720,871,247.90 and 2,228,161,623.40

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Solution

The fourth proportional to 3,147,247,498.60, 4,720,871,247.90 and 2,228,161,623.40 is: 3,342,242,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,247,498.60 : 4,720,871,247.90 = 2,228,161,623.40 : x
  2. Step 2: Convert to fraction form
    3,147,247,498.60/4,720,871,247.90 = 2,228,161,623.40/x
  3. Step 3: Cross multiply
    3,147,247,498.60x = 4,720,871,247.90 × 2,228,161,623.40
  4. Step 4: Simplify right side
    3,147,247,498.60x = 10,518,864,143,583,248,384
  5. Step 5: Solve for x
    x = 10,518,864,143,583,248,384/3,147,247,498.60
  6. Step 6: Final answer
    x = 3,342,242,435.10

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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.