Home / 280,203,466,693.20-420,975,722,952.48-179,671,299,516.36

Finding the Fourth Proportional to 280,203,466,693.20, 420,975,722,952.48 and 179,671,299,516.36

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Solution

The fourth proportional to 280,203,466,693.20, 420,975,722,952.48 and 179,671,299,516.36 is: 269,936,900,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,203,466,693.20 : 420,975,722,952.48 = 179,671,299,516.36 : x
  2. Step 2: Convert to fraction form
    280,203,466,693.20/420,975,722,952.48 = 179,671,299,516.36/x
  3. Step 3: Cross multiply
    280,203,466,693.20x = 420,975,722,952.48 × 179,671,299,516.36
  4. Step 4: Simplify right side
    280,203,466,693.20x = 75,637,255,207,711,204,704,256
  5. Step 5: Solve for x
    x = 75,637,255,207,711,204,704,256/280,203,466,693.20
  6. Step 6: Final answer
    x = 269,936,900,140.24

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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.