Home / 416,689,724.52-624,973,743.50-121,505,521.91

Finding the Fourth Proportional to 416,689,724.52, 624,973,743.50 and 121,505,521.91

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Solution

The fourth proportional to 416,689,724.52, 624,973,743.50 and 121,505,521.91 is: 182,240,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,689,724.52 : 624,973,743.50 = 121,505,521.91 : x
  2. Step 2: Convert to fraction form
    416,689,724.52/624,973,743.50 = 121,505,521.91/x
  3. Step 3: Cross multiply
    416,689,724.52x = 624,973,743.50 × 121,505,521.91
  4. Step 4: Simplify right side
    416,689,724.52x = 75,937,760,880,281,568
  5. Step 5: Solve for x
    x = 75,937,760,880,281,568/416,689,724.52
  6. Step 6: Final answer
    x = 182,240,541.13

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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.