Home / 411,074,002.55-616,680,120.36-203,822,641.37

Finding the Fourth Proportional to 411,074,002.55, 616,680,120.36 and 203,822,641.37

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Solution

The fourth proportional to 411,074,002.55, 616,680,120.36 and 203,822,641.37 is: 305,768,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,074,002.55 : 616,680,120.36 = 203,822,641.37 : x
  2. Step 2: Convert to fraction form
    411,074,002.55/616,680,120.36 = 203,822,641.37/x
  3. Step 3: Cross multiply
    411,074,002.55x = 616,680,120.36 × 203,822,641.37
  4. Step 4: Simplify right side
    411,074,002.55x = 125,693,371,012,144,720
  5. Step 5: Solve for x
    x = 125,693,371,012,144,720/411,074,002.55
  6. Step 6: Final answer
    x = 305,768,232.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.