Home / 585,335,536.94-807,777,871.37-321,028,052.78

Finding the Fourth Proportional to 585,335,536.94, 807,777,871.37 and 321,028,052.78

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Solution

The fourth proportional to 585,335,536.94, 807,777,871.37 and 321,028,052.78 is: 443,026,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,335,536.94 : 807,777,871.37 = 321,028,052.78 : x
  2. Step 2: Convert to fraction form
    585,335,536.94/807,777,871.37 = 321,028,052.78/x
  3. Step 3: Cross multiply
    585,335,536.94x = 807,777,871.37 × 321,028,052.78
  4. Step 4: Simplify right side
    585,335,536.94x = 259,319,357,119,040,352
  5. Step 5: Solve for x
    x = 259,319,357,119,040,352/585,335,536.94
  6. Step 6: Final answer
    x = 443,026,846.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.