Home / 378,074,190.80-565,977,545.40-224,641,269.20

Finding the Fourth Proportional to 378,074,190.80, 565,977,545.40 and 224,641,269.20

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Solution

The fourth proportional to 378,074,190.80, 565,977,545.40 and 224,641,269.20 is: 336,288,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,074,190.80 : 565,977,545.40 = 224,641,269.20 : x
  2. Step 2: Convert to fraction form
    378,074,190.80/565,977,545.40 = 224,641,269.20/x
  3. Step 3: Cross multiply
    378,074,190.80x = 565,977,545.40 × 224,641,269.20
  4. Step 4: Simplify right side
    378,074,190.80x = 127,141,914,137,356,608
  5. Step 5: Solve for x
    x = 127,141,914,137,356,608/378,074,190.80
  6. Step 6: Final answer
    x = 336,288,266.25

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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.