Home / 384,019,324.80-576,028,987.20-96,804,988.80

Finding the Fourth Proportional to 384,019,324.80, 576,028,987.20 and 96,804,988.80

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Solution

The fourth proportional to 384,019,324.80, 576,028,987.20 and 96,804,988.80 is: 145,207,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,019,324.80 : 576,028,987.20 = 96,804,988.80 : x
  2. Step 2: Convert to fraction form
    384,019,324.80/576,028,987.20 = 96,804,988.80/x
  3. Step 3: Cross multiply
    384,019,324.80x = 576,028,987.20 × 96,804,988.80
  4. Step 4: Simplify right side
    384,019,324.80x = 55,762,479,654,371,344
  5. Step 5: Solve for x
    x = 55,762,479,654,371,344/384,019,324.80
  6. Step 6: Final answer
    x = 145,207,483.20

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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.