Home / 299,288,788.80-413,212,869.95-267,872,432.66

Finding the Fourth Proportional to 299,288,788.80, 413,212,869.95 and 267,872,432.66

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Solution

The fourth proportional to 299,288,788.80, 413,212,869.95 and 267,872,432.66 is: 369,837,898.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,288,788.80 : 413,212,869.95 = 267,872,432.66 : x
  2. Step 2: Convert to fraction form
    299,288,788.80/413,212,869.95 = 267,872,432.66/x
  3. Step 3: Cross multiply
    299,288,788.80x = 413,212,869.95 × 267,872,432.66
  4. Step 4: Simplify right side
    299,288,788.80x = 110,688,336,676,521,280
  5. Step 5: Solve for x
    x = 110,688,336,676,521,280/299,288,788.80
  6. Step 6: Final answer
    x = 369,837,898.44

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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.