Home / 302,010,915.20-450,811,578.24-259,155,512.96

Finding the Fourth Proportional to 302,010,915.20, 450,811,578.24 and 259,155,512.96

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Solution

The fourth proportional to 302,010,915.20, 450,811,578.24 and 259,155,512.96 is: 386,841,335.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,010,915.20 : 450,811,578.24 = 259,155,512.96 : x
  2. Step 2: Convert to fraction form
    302,010,915.20/450,811,578.24 = 259,155,512.96/x
  3. Step 3: Cross multiply
    302,010,915.20x = 450,811,578.24 × 259,155,512.96
  4. Step 4: Simplify right side
    302,010,915.20x = 116,830,305,807,094,384
  5. Step 5: Solve for x
    x = 116,830,305,807,094,384/302,010,915.20
  6. Step 6: Final answer
    x = 386,841,335.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.