Home / 411,566,718.11-617,471,352.68-165,796,885.04

Finding the Fourth Proportional to 411,566,718.11, 617,471,352.68 and 165,796,885.04

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Solution

The fourth proportional to 411,566,718.11, 617,471,352.68 and 165,796,885.04 is: 248,744,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,566,718.11 : 617,471,352.68 = 165,796,885.04 : x
  2. Step 2: Convert to fraction form
    411,566,718.11/617,471,352.68 = 165,796,885.04/x
  3. Step 3: Cross multiply
    411,566,718.11x = 617,471,352.68 × 165,796,885.04
  4. Step 4: Simplify right side
    411,566,718.11x = 102,374,826,871,862,912
  5. Step 5: Solve for x
    x = 102,374,826,871,862,912/411,566,718.11
  6. Step 6: Final answer
    x = 248,744,182.58

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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.