Home / 398,103,692.70-597,155,539.05-225,916,808.70

Finding the Fourth Proportional to 398,103,692.70, 597,155,539.05 and 225,916,808.70

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Solution

The fourth proportional to 398,103,692.70, 597,155,539.05 and 225,916,808.70 is: 338,875,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,103,692.70 : 597,155,539.05 = 225,916,808.70 : x
  2. Step 2: Convert to fraction form
    398,103,692.70/597,155,539.05 = 225,916,808.70/x
  3. Step 3: Cross multiply
    398,103,692.70x = 597,155,539.05 × 225,916,808.70
  4. Step 4: Simplify right side
    398,103,692.70x = 134,907,473,679,704,208
  5. Step 5: Solve for x
    x = 134,907,473,679,704,208/398,103,692.70
  6. Step 6: Final answer
    x = 338,875,213.05

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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.