Home / 269,549,337.20-404,324,005.80-258,967,756.40

Finding the Fourth Proportional to 269,549,337.20, 404,324,005.80 and 258,967,756.40

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Solution

The fourth proportional to 269,549,337.20, 404,324,005.80 and 258,967,756.40 is: 388,451,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,549,337.20 : 404,324,005.80 = 258,967,756.40 : x
  2. Step 2: Convert to fraction form
    269,549,337.20/404,324,005.80 = 258,967,756.40/x
  3. Step 3: Cross multiply
    269,549,337.20x = 404,324,005.80 × 258,967,756.40
  4. Step 4: Simplify right side
    269,549,337.20x = 104,706,880,640,686,592
  5. Step 5: Solve for x
    x = 104,706,880,640,686,592/269,549,337.20
  6. Step 6: Final answer
    x = 388,451,634.60

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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.