Home / 772,353,233.20-1,159,873,542.60-409,556,177.20

Finding the Fourth Proportional to 772,353,233.20, 1,159,873,542.60 and 409,556,177.20

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Solution

The fourth proportional to 772,353,233.20, 1,159,873,542.60 and 409,556,177.20 is: 615,046,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,353,233.20 : 1,159,873,542.60 = 409,556,177.20 : x
  2. Step 2: Convert to fraction form
    772,353,233.20/1,159,873,542.60 = 409,556,177.20/x
  3. Step 3: Cross multiply
    772,353,233.20x = 1,159,873,542.60 × 409,556,177.20
  4. Step 4: Simplify right side
    772,353,233.20x = 475,033,374,142,677,312
  5. Step 5: Solve for x
    x = 475,033,374,142,677,312/772,353,233.20
  6. Step 6: Final answer
    x = 615,046,786.53

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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.