Home / 384,904,731.78-576,415,432.80-347,597,588.61

Finding the Fourth Proportional to 384,904,731.78, 576,415,432.80 and 347,597,588.61

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Solution

The fourth proportional to 384,904,731.78, 576,415,432.80 and 347,597,588.61 is: 520,545,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,904,731.78 : 576,415,432.80 = 347,597,588.61 : x
  2. Step 2: Convert to fraction form
    384,904,731.78/576,415,432.80 = 347,597,588.61/x
  3. Step 3: Cross multiply
    384,904,731.78x = 576,415,432.80 × 347,597,588.61
  4. Step 4: Simplify right side
    384,904,731.78x = 200,360,614,478,869,504
  5. Step 5: Solve for x
    x = 200,360,614,478,869,504/384,904,731.78
  6. Step 6: Final answer
    x = 520,545,989.53

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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.