Home / 518,035,659.18-777,456,441.99-361,573,020.25

Finding the Fourth Proportional to 518,035,659.18, 777,456,441.99 and 361,573,020.25

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Solution

The fourth proportional to 518,035,659.18, 777,456,441.99 and 361,573,020.25 is: 542,640,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,035,659.18 : 777,456,441.99 = 361,573,020.25 : x
  2. Step 2: Convert to fraction form
    518,035,659.18/777,456,441.99 = 361,573,020.25/x
  3. Step 3: Cross multiply
    518,035,659.18x = 777,456,441.99 × 361,573,020.25
  4. Step 4: Simplify right side
    518,035,659.18x = 281,107,273,843,143,232
  5. Step 5: Solve for x
    x = 281,107,273,843,143,232/518,035,659.18
  6. Step 6: Final answer
    x = 542,640,779.38

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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.