Home / 264,204,007.20-396,306,010.80-209,784,448.80

Finding the Fourth Proportional to 264,204,007.20, 396,306,010.80 and 209,784,448.80

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Solution

The fourth proportional to 264,204,007.20, 396,306,010.80 and 209,784,448.80 is: 314,676,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,204,007.20 : 396,306,010.80 = 209,784,448.80 : x
  2. Step 2: Convert to fraction form
    264,204,007.20/396,306,010.80 = 209,784,448.80/x
  3. Step 3: Cross multiply
    264,204,007.20x = 396,306,010.80 × 209,784,448.80
  4. Step 4: Simplify right side
    264,204,007.20x = 83,138,838,031,804,848
  5. Step 5: Solve for x
    x = 83,138,838,031,804,848/264,204,007.20
  6. Step 6: Final answer
    x = 314,676,673.20

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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.