Home / 434,632,275.20-651,979,905.60-261,736,803.20

Finding the Fourth Proportional to 434,632,275.20, 651,979,905.60 and 261,736,803.20

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Solution

The fourth proportional to 434,632,275.20, 651,979,905.60 and 261,736,803.20 is: 392,624,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,632,275.20 : 651,979,905.60 = 261,736,803.20 : x
  2. Step 2: Convert to fraction form
    434,632,275.20/651,979,905.60 = 261,736,803.20/x
  3. Step 3: Cross multiply
    434,632,275.20x = 651,979,905.60 × 261,736,803.20
  4. Step 4: Simplify right side
    434,632,275.20x = 170,647,136,242,381,792
  5. Step 5: Solve for x
    x = 170,647,136,242,381,792/434,632,275.20
  6. Step 6: Final answer
    x = 392,624,169.85

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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.