Home / 1,292,034,995.20-1,938,052,492.80-1,149,183,654.40

Finding the Fourth Proportional to 1,292,034,995.20, 1,938,052,492.80 and 1,149,183,654.40

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Solution

The fourth proportional to 1,292,034,995.20, 1,938,052,492.80 and 1,149,183,654.40 is: 1,723,775,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,034,995.20 : 1,938,052,492.80 = 1,149,183,654.40 : x
  2. Step 2: Convert to fraction form
    1,292,034,995.20/1,938,052,492.80 = 1,149,183,654.40/x
  3. Step 3: Cross multiply
    1,292,034,995.20x = 1,938,052,492.80 × 1,149,183,654.40
  4. Step 4: Simplify right side
    1,292,034,995.20x = 2,227,178,246,094,933,760
  5. Step 5: Solve for x
    x = 2,227,178,246,094,933,760/1,292,034,995.20
  6. Step 6: Final answer
    x = 1,723,775,481.60

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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.