Home / 398,628,103,354.78-597,943,706,336.88-96,440,221,191.78

Finding the Fourth Proportional to 398,628,103,354.78, 597,943,706,336.88 and 96,440,221,191.78

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Solution

The fourth proportional to 398,628,103,354.78, 597,943,706,336.88 and 96,440,221,191.78 is: 144,660,707,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,628,103,354.78 : 597,943,706,336.88 = 96,440,221,191.78 : x
  2. Step 2: Convert to fraction form
    398,628,103,354.78/597,943,706,336.88 = 96,440,221,191.78/x
  3. Step 3: Cross multiply
    398,628,103,354.78x = 597,943,706,336.88 × 96,440,221,191.78
  4. Step 4: Simplify right side
    398,628,103,354.78x = 57,665,823,299,361,451,278,336
  5. Step 5: Solve for x
    x = 57,665,823,299,361,451,278,336/398,628,103,354.78
  6. Step 6: Final answer
    x = 144,660,707,095.30

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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.