Home / 564,128,800.40-846,193,200.60-321,816,198.80

Finding the Fourth Proportional to 564,128,800.40, 846,193,200.60 and 321,816,198.80

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Solution

The fourth proportional to 564,128,800.40, 846,193,200.60 and 321,816,198.80 is: 482,724,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,128,800.40 : 846,193,200.60 = 321,816,198.80 : x
  2. Step 2: Convert to fraction form
    564,128,800.40/846,193,200.60 = 321,816,198.80/x
  3. Step 3: Cross multiply
    564,128,800.40x = 846,193,200.60 × 321,816,198.80
  4. Step 4: Simplify right side
    564,128,800.40x = 272,318,679,267,497,888
  5. Step 5: Solve for x
    x = 272,318,679,267,497,888/564,128,800.40
  6. Step 6: Final answer
    x = 482,724,298.20

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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.