Home / 413,167,810.60-618,408,023.10-321,796,700.20

Finding the Fourth Proportional to 413,167,810.60, 618,408,023.10 and 321,796,700.20

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Solution

The fourth proportional to 413,167,810.60, 618,408,023.10 and 321,796,700.20 is: 481,648,512.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,167,810.60 : 618,408,023.10 = 321,796,700.20 : x
  2. Step 2: Convert to fraction form
    413,167,810.60/618,408,023.10 = 321,796,700.20/x
  3. Step 3: Cross multiply
    413,167,810.60x = 618,408,023.10 × 321,796,700.20
  4. Step 4: Simplify right side
    413,167,810.60x = 199,001,661,210,785,376
  5. Step 5: Solve for x
    x = 199,001,661,210,785,376/413,167,810.60
  6. Step 6: Final answer
    x = 481,648,512.07

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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.