Home / 626,229,150.78-938,929,103.28-298,755,206.58

Finding the Fourth Proportional to 626,229,150.78, 938,929,103.28 and 298,755,206.58

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Solution

The fourth proportional to 626,229,150.78, 938,929,103.28 and 298,755,206.58 is: 447,935,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,229,150.78 : 938,929,103.28 = 298,755,206.58 : x
  2. Step 2: Convert to fraction form
    626,229,150.78/938,929,103.28 = 298,755,206.58/x
  3. Step 3: Cross multiply
    626,229,150.78x = 938,929,103.28 × 298,755,206.58
  4. Step 4: Simplify right side
    626,229,150.78x = 280,509,958,214,390,528
  5. Step 5: Solve for x
    x = 280,509,958,214,390,528/626,229,150.78
  6. Step 6: Final answer
    x = 447,935,005.68

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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.