Home / 255,280,996.20-382,921,494.30-253,367,808.60

Finding the Fourth Proportional to 255,280,996.20, 382,921,494.30 and 253,367,808.60

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Solution

The fourth proportional to 255,280,996.20, 382,921,494.30 and 253,367,808.60 is: 380,051,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,280,996.20 : 382,921,494.30 = 253,367,808.60 : x
  2. Step 2: Convert to fraction form
    255,280,996.20/382,921,494.30 = 253,367,808.60/x
  3. Step 3: Cross multiply
    255,280,996.20x = 382,921,494.30 × 253,367,808.60
  4. Step 4: Simplify right side
    255,280,996.20x = 97,019,979,876,628,384
  5. Step 5: Solve for x
    x = 97,019,979,876,628,384/255,280,996.20
  6. Step 6: Final answer
    x = 380,051,712.90

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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.