Home / 1,439,370,086.40-2,159,055,129.60-348,853,155.84

Finding the Fourth Proportional to 1,439,370,086.40, 2,159,055,129.60 and 348,853,155.84

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Solution

The fourth proportional to 1,439,370,086.40, 2,159,055,129.60 and 348,853,155.84 is: 523,279,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,370,086.40 : 2,159,055,129.60 = 348,853,155.84 : x
  2. Step 2: Convert to fraction form
    1,439,370,086.40/2,159,055,129.60 = 348,853,155.84/x
  3. Step 3: Cross multiply
    1,439,370,086.40x = 2,159,055,129.60 × 348,853,155.84
  4. Step 4: Simplify right side
    1,439,370,086.40x = 753,193,195,593,500,160
  5. Step 5: Solve for x
    x = 753,193,195,593,500,160/1,439,370,086.40
  6. Step 6: Final answer
    x = 523,279,733.76

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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.