Home / 343,512,075.20-515,268,112.80-275,487,627.20

Finding the Fourth Proportional to 343,512,075.20, 515,268,112.80 and 275,487,627.20

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Solution

The fourth proportional to 343,512,075.20, 515,268,112.80 and 275,487,627.20 is: 413,231,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,512,075.20 : 515,268,112.80 = 275,487,627.20 : x
  2. Step 2: Convert to fraction form
    343,512,075.20/515,268,112.80 = 275,487,627.20/x
  3. Step 3: Cross multiply
    343,512,075.20x = 515,268,112.80 × 275,487,627.20
  4. Step 4: Simplify right side
    343,512,075.20x = 141,949,989,767,093,952
  5. Step 5: Solve for x
    x = 141,949,989,767,093,952/343,512,075.20
  6. Step 6: Final answer
    x = 413,231,440.80

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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.