Home / 3,786,646,964.90-5,679,970,447.35-3,141,674,420.90

Finding the Fourth Proportional to 3,786,646,964.90, 5,679,970,447.35 and 3,141,674,420.90

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Solution

The fourth proportional to 3,786,646,964.90, 5,679,970,447.35 and 3,141,674,420.90 is: 4,712,511,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,646,964.90 : 5,679,970,447.35 = 3,141,674,420.90 : x
  2. Step 2: Convert to fraction form
    3,786,646,964.90/5,679,970,447.35 = 3,141,674,420.90/x
  3. Step 3: Cross multiply
    3,786,646,964.90x = 5,679,970,447.35 × 3,141,674,420.90
  4. Step 4: Simplify right side
    3,786,646,964.90x = 17,844,617,865,907,427,328
  5. Step 5: Solve for x
    x = 17,844,617,865,907,427,328/3,786,646,964.90
  6. Step 6: Final answer
    x = 4,712,511,631.35

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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.