Home / 420,090,585.91-579,800,894.85-250,555,692.42

Finding the Fourth Proportional to 420,090,585.91, 579,800,894.85 and 250,555,692.42

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Solution

The fourth proportional to 420,090,585.91, 579,800,894.85 and 250,555,692.42 is: 345,812,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,090,585.91 : 579,800,894.85 = 250,555,692.42 : x
  2. Step 2: Convert to fraction form
    420,090,585.91/579,800,894.85 = 250,555,692.42/x
  3. Step 3: Cross multiply
    420,090,585.91x = 579,800,894.85 × 250,555,692.42
  4. Step 4: Simplify right side
    420,090,585.91x = 145,272,414,674,877,376
  5. Step 5: Solve for x
    x = 145,272,414,674,877,376/420,090,585.91
  6. Step 6: Final answer
    x = 345,812,116.60

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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.