Home / 772,353,087.20-1,159,873,323.60-409,556,031.20

Finding the Fourth Proportional to 772,353,087.20, 1,159,873,323.60 and 409,556,031.20

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Solution

The fourth proportional to 772,353,087.20, 1,159,873,323.60 and 409,556,031.20 is: 615,046,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,353,087.20 : 1,159,873,323.60 = 409,556,031.20 : x
  2. Step 2: Convert to fraction form
    772,353,087.20/1,159,873,323.60 = 409,556,031.20/x
  3. Step 3: Cross multiply
    772,353,087.20x = 1,159,873,323.60 × 409,556,031.20
  4. Step 4: Simplify right side
    772,353,087.20x = 475,033,115,108,369,216
  5. Step 5: Solve for x
    x = 475,033,115,108,369,216/772,353,087.20
  6. Step 6: Final answer
    x = 615,046,567.41

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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.