Home / 269,445,115.20-404,167,672.80-258,863,534.40

Finding the Fourth Proportional to 269,445,115.20, 404,167,672.80 and 258,863,534.40

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Solution

The fourth proportional to 269,445,115.20, 404,167,672.80 and 258,863,534.40 is: 388,295,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,445,115.20 : 404,167,672.80 = 258,863,534.40 : x
  2. Step 2: Convert to fraction form
    269,445,115.20/404,167,672.80 = 258,863,534.40/x
  3. Step 3: Cross multiply
    269,445,115.20x = 404,167,672.80 × 258,863,534.40
  4. Step 4: Simplify right side
    269,445,115.20x = 104,624,272,271,230,752
  5. Step 5: Solve for x
    x = 104,624,272,271,230,752/269,445,115.20
  6. Step 6: Final answer
    x = 388,295,301.60

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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.