Home / 586,222,363.89-809,000,918.60-318,309,487.48

Finding the Fourth Proportional to 586,222,363.89, 809,000,918.60 and 318,309,487.48

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Solution

The fourth proportional to 586,222,363.89, 809,000,918.60 and 318,309,487.48 is: 439,274,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,222,363.89 : 809,000,918.60 = 318,309,487.48 : x
  2. Step 2: Convert to fraction form
    586,222,363.89/809,000,918.60 = 318,309,487.48/x
  3. Step 3: Cross multiply
    586,222,363.89x = 809,000,918.60 × 318,309,487.48
  4. Step 4: Simplify right side
    586,222,363.89x = 257,512,667,769,188,480
  5. Step 5: Solve for x
    x = 257,512,667,769,188,480/586,222,363.89
  6. Step 6: Final answer
    x = 439,274,725.14

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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.