Home / 260,847,009.60-391,270,514.40-248,092,425.60

Finding the Fourth Proportional to 260,847,009.60, 391,270,514.40 and 248,092,425.60

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Solution

The fourth proportional to 260,847,009.60, 391,270,514.40 and 248,092,425.60 is: 372,138,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,847,009.60 : 391,270,514.40 = 248,092,425.60 : x
  2. Step 2: Convert to fraction form
    260,847,009.60/391,270,514.40 = 248,092,425.60/x
  3. Step 3: Cross multiply
    260,847,009.60x = 391,270,514.40 × 248,092,425.60
  4. Step 4: Simplify right side
    260,847,009.60x = 97,071,250,983,255,728
  5. Step 5: Solve for x
    x = 97,071,250,983,255,728/260,847,009.60
  6. Step 6: Final answer
    x = 372,138,638.40

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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.