Home / 772,353,175.20-1,159,873,455.60-409,556,119.20

Finding the Fourth Proportional to 772,353,175.20, 1,159,873,455.60 and 409,556,119.20

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Solution

The fourth proportional to 772,353,175.20, 1,159,873,455.60 and 409,556,119.20 is: 615,046,699.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,353,175.20 : 1,159,873,455.60 = 409,556,119.20 : x
  2. Step 2: Convert to fraction form
    772,353,175.20/1,159,873,455.60 = 409,556,119.20/x
  3. Step 3: Cross multiply
    772,353,175.20x = 1,159,873,455.60 × 409,556,119.20
  4. Step 4: Simplify right side
    772,353,175.20x = 475,033,271,238,629,440
  5. Step 5: Solve for x
    x = 475,033,271,238,629,440/772,353,175.20
  6. Step 6: Final answer
    x = 615,046,699.48

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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.