Home / 510,597,940.92-765,784,936.98-147,013,331.64

Finding the Fourth Proportional to 510,597,940.92, 765,784,936.98 and 147,013,331.64

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Solution

The fourth proportional to 510,597,940.92, 765,784,936.98 and 147,013,331.64 is: 220,487,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,597,940.92 : 765,784,936.98 = 147,013,331.64 : x
  2. Step 2: Convert to fraction form
    510,597,940.92/765,784,936.98 = 147,013,331.64/x
  3. Step 3: Cross multiply
    510,597,940.92x = 765,784,936.98 × 147,013,331.64
  4. Step 4: Simplify right side
    510,597,940.92x = 112,580,594,905,157,232
  5. Step 5: Solve for x
    x = 112,580,594,905,157,232/510,597,940.92
  6. Step 6: Final answer
    x = 220,487,757.36

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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.