Home / 343,887,075.20-515,830,612.80-265,952,892.80

Finding the Fourth Proportional to 343,887,075.20, 515,830,612.80 and 265,952,892.80

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Solution

The fourth proportional to 343,887,075.20, 515,830,612.80 and 265,952,892.80 is: 398,929,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,887,075.20 : 515,830,612.80 = 265,952,892.80 : x
  2. Step 2: Convert to fraction form
    343,887,075.20/515,830,612.80 = 265,952,892.80/x
  3. Step 3: Cross multiply
    343,887,075.20x = 515,830,612.80 × 265,952,892.80
  4. Step 4: Simplify right side
    343,887,075.20x = 137,186,643,668,956,720
  5. Step 5: Solve for x
    x = 137,186,643,668,956,720/343,887,075.20
  6. Step 6: Final answer
    x = 398,929,339.20

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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.