Home / 512,205,685.15-768,256,821.14-347,268,222.11

Finding the Fourth Proportional to 512,205,685.15, 768,256,821.14 and 347,268,222.11

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Solution

The fourth proportional to 512,205,685.15, 768,256,821.14 and 347,268,222.11 is: 520,867,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,205,685.15 : 768,256,821.14 = 347,268,222.11 : x
  2. Step 2: Convert to fraction form
    512,205,685.15/768,256,821.14 = 347,268,222.11/x
  3. Step 3: Cross multiply
    512,205,685.15x = 768,256,821.14 × 347,268,222.11
  4. Step 4: Simplify right side
    512,205,685.15x = 266,791,180,397,326,784
  5. Step 5: Solve for x
    x = 266,791,180,397,326,784/512,205,685.15
  6. Step 6: Final answer
    x = 520,867,276.83

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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.