Home / 255,280,999.20-382,921,498.80-253,367,811.60

Finding the Fourth Proportional to 255,280,999.20, 382,921,498.80 and 253,367,811.60

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Solution

The fourth proportional to 255,280,999.20, 382,921,498.80 and 253,367,811.60 is: 380,051,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,280,999.20 : 382,921,498.80 = 253,367,811.60 : x
  2. Step 2: Convert to fraction form
    255,280,999.20/382,921,498.80 = 253,367,811.60/x
  3. Step 3: Cross multiply
    255,280,999.20x = 382,921,498.80 × 253,367,811.60
  4. Step 4: Simplify right side
    255,280,999.20x = 97,019,982,165,548,032
  5. Step 5: Solve for x
    x = 97,019,982,165,548,032/255,280,999.20
  6. Step 6: Final answer
    x = 380,051,717.40

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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.