Home / 519,579,348.86-717,013,794.30-281,418,612.29

Finding the Fourth Proportional to 519,579,348.86, 717,013,794.30 and 281,418,612.29

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Solution

The fourth proportional to 519,579,348.86, 717,013,794.30 and 281,418,612.29 is: 388,354,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,579,348.86 : 717,013,794.30 = 281,418,612.29 : x
  2. Step 2: Convert to fraction form
    519,579,348.86/717,013,794.30 = 281,418,612.29/x
  3. Step 3: Cross multiply
    519,579,348.86x = 717,013,794.30 × 281,418,612.29
  4. Step 4: Simplify right side
    519,579,348.86x = 201,781,026,984,317,856
  5. Step 5: Solve for x
    x = 201,781,026,984,317,856/519,579,348.86
  6. Step 6: Final answer
    x = 388,354,593.82

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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.