Home / 519,936,168.54-717,585,487.95-321,761,487.34

Finding the Fourth Proportional to 519,936,168.54, 717,585,487.95 and 321,761,487.34

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Solution

The fourth proportional to 519,936,168.54, 717,585,487.95 and 321,761,487.34 is: 444,076,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,936,168.54 : 717,585,487.95 = 321,761,487.34 : x
  2. Step 2: Convert to fraction form
    519,936,168.54/717,585,487.95 = 321,761,487.34/x
  3. Step 3: Cross multiply
    519,936,168.54x = 717,585,487.95 × 321,761,487.34
  4. Step 4: Simplify right side
    519,936,168.54x = 230,891,373,896,686,944
  5. Step 5: Solve for x
    x = 230,891,373,896,686,944/519,936,168.54
  6. Step 6: Final answer
    x = 444,076,384.50

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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.