Home / 452,109,915.53-623,733,628.97-261,244,815.87

Finding the Fourth Proportional to 452,109,915.53, 623,733,628.97 and 261,244,815.87

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Solution

The fourth proportional to 452,109,915.53, 623,733,628.97 and 261,244,815.87 is: 360,414,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,109,915.53 : 623,733,628.97 = 261,244,815.87 : x
  2. Step 2: Convert to fraction form
    452,109,915.53/623,733,628.97 = 261,244,815.87/x
  3. Step 3: Cross multiply
    452,109,915.53x = 623,733,628.97 × 261,244,815.87
  4. Step 4: Simplify right side
    452,109,915.53x = 162,947,177,053,100,768
  5. Step 5: Solve for x
    x = 162,947,177,053,100,768/452,109,915.53
  6. Step 6: Final answer
    x = 360,414,959.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.