Home / 434,632,277.20-651,979,908.60-261,736,805.20

Finding the Fourth Proportional to 434,632,277.20, 651,979,908.60 and 261,736,805.20

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Solution

The fourth proportional to 434,632,277.20, 651,979,908.60 and 261,736,805.20 is: 392,624,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,632,277.20 : 651,979,908.60 = 261,736,805.20 : x
  2. Step 2: Convert to fraction form
    434,632,277.20/651,979,908.60 = 261,736,805.20/x
  3. Step 3: Cross multiply
    434,632,277.20x = 651,979,908.60 × 261,736,805.20
  4. Step 4: Simplify right side
    434,632,277.20x = 170,647,138,331,552,000
  5. Step 5: Solve for x
    x = 170,647,138,331,552,000/434,632,277.20
  6. Step 6: Final answer
    x = 392,624,172.85

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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.