Home / 975,491,768.29-1,462,929,282.18-320,334,789.73

Finding the Fourth Proportional to 975,491,768.29, 1,462,929,282.18 and 320,334,789.73

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Solution

The fourth proportional to 975,491,768.29, 1,462,929,282.18 and 320,334,789.73 is: 480,400,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,491,768.29 : 1,462,929,282.18 = 320,334,789.73 : x
  2. Step 2: Convert to fraction form
    975,491,768.29/1,462,929,282.18 = 320,334,789.73/x
  3. Step 3: Cross multiply
    975,491,768.29x = 1,462,929,282.18 × 320,334,789.73
  4. Step 4: Simplify right side
    975,491,768.29x = 468,627,143,996,990,208
  5. Step 5: Solve for x
    x = 468,627,143,996,990,208/975,491,768.29
  6. Step 6: Final answer
    x = 480,400,921.08

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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.