Home / 8,625,505,851.90-12,938,258,777.85-8,286,895,266.30

Finding the Fourth Proportional to 8,625,505,851.90, 12,938,258,777.85 and 8,286,895,266.30

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Solution

The fourth proportional to 8,625,505,851.90, 12,938,258,777.85 and 8,286,895,266.30 is: 12,430,342,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625,505,851.90 : 12,938,258,777.85 = 8,286,895,266.30 : x
  2. Step 2: Convert to fraction form
    8,625,505,851.90/12,938,258,777.85 = 8,286,895,266.30/x
  3. Step 3: Cross multiply
    8,625,505,851.90x = 12,938,258,777.85 × 8,286,895,266.30
  4. Step 4: Simplify right side
    8,625,505,851.90x = 107,217,995,420,329,590,784
  5. Step 5: Solve for x
    x = 107,217,995,420,329,590,784/8,625,505,851.90
  6. Step 6: Final answer
    x = 12,430,342,899.45

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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.