Home / 579,784,501.44-869,408,013.60-216,181,229.76

Finding the Fourth Proportional to 579,784,501.44, 869,408,013.60 and 216,181,229.76

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Solution

The fourth proportional to 579,784,501.44, 869,408,013.60 and 216,181,229.76 is: 324,171,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,784,501.44 : 869,408,013.60 = 216,181,229.76 : x
  2. Step 2: Convert to fraction form
    579,784,501.44/869,408,013.60 = 216,181,229.76/x
  3. Step 3: Cross multiply
    579,784,501.44x = 869,408,013.60 × 216,181,229.76
  4. Step 4: Simplify right side
    579,784,501.44x = 187,949,693,543,246,816
  5. Step 5: Solve for x
    x = 187,949,693,543,246,816/579,784,501.44
  6. Step 6: Final answer
    x = 324,171,641.49

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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.