Home / 341,391,878.20-512,087,817.30-255,298,436.20

Finding the Fourth Proportional to 341,391,878.20, 512,087,817.30 and 255,298,436.20

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Solution

The fourth proportional to 341,391,878.20, 512,087,817.30 and 255,298,436.20 is: 382,947,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,391,878.20 : 512,087,817.30 = 255,298,436.20 : x
  2. Step 2: Convert to fraction form
    341,391,878.20/512,087,817.30 = 255,298,436.20/x
  3. Step 3: Cross multiply
    341,391,878.20x = 512,087,817.30 × 255,298,436.20
  4. Step 4: Simplify right side
    341,391,878.20x = 130,735,218,953,761,296
  5. Step 5: Solve for x
    x = 130,735,218,953,761,296/341,391,878.20
  6. Step 6: Final answer
    x = 382,947,654.30

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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.