Home / 540,190,690.77-745,234,881.70-361,632,104.62

Finding the Fourth Proportional to 540,190,690.77, 745,234,881.70 and 361,632,104.62

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Solution

The fourth proportional to 540,190,690.77, 745,234,881.70 and 361,632,104.62 is: 498,899,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,190,690.77 : 745,234,881.70 = 361,632,104.62 : x
  2. Step 2: Convert to fraction form
    540,190,690.77/745,234,881.70 = 361,632,104.62/x
  3. Step 3: Cross multiply
    540,190,690.77x = 745,234,881.70 × 361,632,104.62
  4. Step 4: Simplify right side
    540,190,690.77x = 269,500,858,705,407,744
  5. Step 5: Solve for x
    x = 269,500,858,705,407,744/540,190,690.77
  6. Step 6: Final answer
    x = 498,899,487.37

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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.