Home / 1,861,775,237.40-2,792,662,856.10-825,536,146.20

Finding the Fourth Proportional to 1,861,775,237.40, 2,792,662,856.10 and 825,536,146.20

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Solution

The fourth proportional to 1,861,775,237.40, 2,792,662,856.10 and 825,536,146.20 is: 1,238,304,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,775,237.40 : 2,792,662,856.10 = 825,536,146.20 : x
  2. Step 2: Convert to fraction form
    1,861,775,237.40/2,792,662,856.10 = 825,536,146.20/x
  3. Step 3: Cross multiply
    1,861,775,237.40x = 2,792,662,856.10 × 825,536,146.20
  4. Step 4: Simplify right side
    1,861,775,237.40x = 2,305,444,131,860,679,168
  5. Step 5: Solve for x
    x = 2,305,444,131,860,679,168/1,861,775,237.40
  6. Step 6: Final answer
    x = 1,238,304,219.30

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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.