Home / 345,319,769.20-517,979,653.80-345,319,769.20

Finding the Fourth Proportional to 345,319,769.20, 517,979,653.80 and 345,319,769.20

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Solution

The fourth proportional to 345,319,769.20, 517,979,653.80 and 345,319,769.20 is: 517,979,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,319,769.20 : 517,979,653.80 = 345,319,769.20 : x
  2. Step 2: Convert to fraction form
    345,319,769.20/517,979,653.80 = 345,319,769.20/x
  3. Step 3: Cross multiply
    345,319,769.20x = 517,979,653.80 × 345,319,769.20
  4. Step 4: Simplify right side
    345,319,769.20x = 178,868,614,500,511,904
  5. Step 5: Solve for x
    x = 178,868,614,500,511,904/345,319,769.20
  6. Step 6: Final answer
    x = 517,979,653.80

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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.