Home / 8,584,766,478.10-12,877,149,717.15-7,207,271,406.10

Finding the Fourth Proportional to 8,584,766,478.10, 12,877,149,717.15 and 7,207,271,406.10

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Solution

The fourth proportional to 8,584,766,478.10, 12,877,149,717.15 and 7,207,271,406.10 is: 10,810,907,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584,766,478.10 : 12,877,149,717.15 = 7,207,271,406.10 : x
  2. Step 2: Convert to fraction form
    8,584,766,478.10/12,877,149,717.15 = 7,207,271,406.10/x
  3. Step 3: Cross multiply
    8,584,766,478.10x = 12,877,149,717.15 × 7,207,271,406.10
  4. Step 4: Simplify right side
    8,584,766,478.10x = 92,809,112,948,483,899,392
  5. Step 5: Solve for x
    x = 92,809,112,948,483,899,392/8,584,766,478.10
  6. Step 6: Final answer
    x = 10,810,907,109.15

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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.