Home / 524,931,058.20-787,396,587.30-218,821,042.20

Finding the Fourth Proportional to 524,931,058.20, 787,396,587.30 and 218,821,042.20

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Solution

The fourth proportional to 524,931,058.20, 787,396,587.30 and 218,821,042.20 is: 328,231,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,931,058.20 : 787,396,587.30 = 218,821,042.20 : x
  2. Step 2: Convert to fraction form
    524,931,058.20/787,396,587.30 = 218,821,042.20/x
  3. Step 3: Cross multiply
    524,931,058.20x = 787,396,587.30 × 218,821,042.20
  4. Step 4: Simplify right side
    524,931,058.20x = 172,298,941,857,709,280
  5. Step 5: Solve for x
    x = 172,298,941,857,709,280/524,931,058.20
  6. Step 6: Final answer
    x = 328,231,563.30

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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.