Home / 345,097,276.20-517,645,914.30-268,002,901.80

Finding the Fourth Proportional to 345,097,276.20, 517,645,914.30 and 268,002,901.80

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Solution

The fourth proportional to 345,097,276.20, 517,645,914.30 and 268,002,901.80 is: 402,004,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,097,276.20 : 517,645,914.30 = 268,002,901.80 : x
  2. Step 2: Convert to fraction form
    345,097,276.20/517,645,914.30 = 268,002,901.80/x
  3. Step 3: Cross multiply
    345,097,276.20x = 517,645,914.30 × 268,002,901.80
  4. Step 4: Simplify right side
    345,097,276.20x = 138,730,607,137,314,128
  5. Step 5: Solve for x
    x = 138,730,607,137,314,128/345,097,276.20
  6. Step 6: Final answer
    x = 402,004,352.70

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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.