Home / 416,059,731.20-624,164,246.40-173,747,129.60

Finding the Fourth Proportional to 416,059,731.20, 624,164,246.40 and 173,747,129.60

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Solution

The fourth proportional to 416,059,731.20, 624,164,246.40 and 173,747,129.60 is: 260,651,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,059,731.20 : 624,164,246.40 = 173,747,129.60 : x
  2. Step 2: Convert to fraction form
    416,059,731.20/624,164,246.40 = 173,747,129.60/x
  3. Step 3: Cross multiply
    416,059,731.20x = 624,164,246.40 × 173,747,129.60
  4. Step 4: Simplify right side
    416,059,731.20x = 108,446,746,210,947,120
  5. Step 5: Solve for x
    x = 108,446,746,210,947,120/416,059,731.20
  6. Step 6: Final answer
    x = 260,651,868.18

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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.