Home / 586,222,364.26-809,000,919.12-318,309,487.85

Finding the Fourth Proportional to 586,222,364.26, 809,000,919.12 and 318,309,487.85

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Solution

The fourth proportional to 586,222,364.26, 809,000,919.12 and 318,309,487.85 is: 439,274,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,222,364.26 : 809,000,919.12 = 318,309,487.85 : x
  2. Step 2: Convert to fraction form
    586,222,364.26/809,000,919.12 = 318,309,487.85/x
  3. Step 3: Cross multiply
    586,222,364.26x = 809,000,919.12 × 318,309,487.85
  4. Step 4: Simplify right side
    586,222,364.26x = 257,512,668,238,482,656
  5. Step 5: Solve for x
    x = 257,512,668,238,482,656/586,222,364.26
  6. Step 6: Final answer
    x = 439,274,725.66

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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.