Home / 427,248,002.10-640,872,003.15-283,640,834.10

Finding the Fourth Proportional to 427,248,002.10, 640,872,003.15 and 283,640,834.10

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Solution

The fourth proportional to 427,248,002.10, 640,872,003.15 and 283,640,834.10 is: 425,461,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,248,002.10 : 640,872,003.15 = 283,640,834.10 : x
  2. Step 2: Convert to fraction form
    427,248,002.10/640,872,003.15 = 283,640,834.10/x
  3. Step 3: Cross multiply
    427,248,002.10x = 640,872,003.15 × 283,640,834.10
  4. Step 4: Simplify right side
    427,248,002.10x = 181,777,469,524,803,840
  5. Step 5: Solve for x
    x = 181,777,469,524,803,840/427,248,002.10
  6. Step 6: Final answer
    x = 425,461,251.15

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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.