Home / 1,397,154,939.10-2,095,732,408.65-1,189,414,652.20

Finding the Fourth Proportional to 1,397,154,939.10, 2,095,732,408.65 and 1,189,414,652.20

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Solution

The fourth proportional to 1,397,154,939.10, 2,095,732,408.65 and 1,189,414,652.20 is: 1,784,121,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,154,939.10 : 2,095,732,408.65 = 1,189,414,652.20 : x
  2. Step 2: Convert to fraction form
    1,397,154,939.10/2,095,732,408.65 = 1,189,414,652.20/x
  3. Step 3: Cross multiply
    1,397,154,939.10x = 2,095,732,408.65 × 1,189,414,652.20
  4. Step 4: Simplify right side
    1,397,154,939.10x = 2,492,694,833,938,708,480
  5. Step 5: Solve for x
    x = 2,492,694,833,938,708,480/1,397,154,939.10
  6. Step 6: Final answer
    x = 1,784,121,978.30

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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.