Home / 1,421,150,830.80-2,131,726,246.20-1,098,266,427.60

Finding the Fourth Proportional to 1,421,150,830.80, 2,131,726,246.20 and 1,098,266,427.60

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Solution

The fourth proportional to 1,421,150,830.80, 2,131,726,246.20 and 1,098,266,427.60 is: 1,647,399,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,150,830.80 : 2,131,726,246.20 = 1,098,266,427.60 : x
  2. Step 2: Convert to fraction form
    1,421,150,830.80/2,131,726,246.20 = 1,098,266,427.60/x
  3. Step 3: Cross multiply
    1,421,150,830.80x = 2,131,726,246.20 × 1,098,266,427.60
  4. Step 4: Simplify right side
    1,421,150,830.80x = 2,341,203,369,035,231,744
  5. Step 5: Solve for x
    x = 2,341,203,369,035,231,744/1,421,150,830.80
  6. Step 6: Final answer
    x = 1,647,399,641.40

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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.