Home / 427,134,730.76-589,441,586.05-236,396,119.29

Finding the Fourth Proportional to 427,134,730.76, 589,441,586.05 and 236,396,119.29

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Solution

The fourth proportional to 427,134,730.76, 589,441,586.05 and 236,396,119.29 is: 326,224,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,134,730.76 : 589,441,586.05 = 236,396,119.29 : x
  2. Step 2: Convert to fraction form
    427,134,730.76/589,441,586.05 = 236,396,119.29/x
  3. Step 3: Cross multiply
    427,134,730.76x = 589,441,586.05 × 236,396,119.29
  4. Step 4: Simplify right side
    427,134,730.76x = 139,341,703,489,771,616
  5. Step 5: Solve for x
    x = 139,341,703,489,771,616/427,134,730.76
  6. Step 6: Final answer
    x = 326,224,241.33

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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.