Home / 375,641,862.04-518,308,142.92-216,869,233.68

Finding the Fourth Proportional to 375,641,862.04, 518,308,142.92 and 216,869,233.68

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Solution

The fourth proportional to 375,641,862.04, 518,308,142.92 and 216,869,233.68 is: 299,234,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,641,862.04 : 518,308,142.92 = 216,869,233.68 : x
  2. Step 2: Convert to fraction form
    375,641,862.04/518,308,142.92 = 216,869,233.68/x
  3. Step 3: Cross multiply
    375,641,862.04x = 518,308,142.92 × 216,869,233.68
  4. Step 4: Simplify right side
    375,641,862.04x = 112,405,089,765,164,320
  5. Step 5: Solve for x
    x = 112,405,089,765,164,320/375,641,862.04
  6. Step 6: Final answer
    x = 299,234,726.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.