Home / 381,548,089.49-526,650,545.63-222,821,028.27

Finding the Fourth Proportional to 381,548,089.49, 526,650,545.63 and 222,821,028.27

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Solution

The fourth proportional to 381,548,089.49, 526,650,545.63 and 222,821,028.27 is: 307,559,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,548,089.49 : 526,650,545.63 = 222,821,028.27 : x
  2. Step 2: Convert to fraction form
    381,548,089.49/526,650,545.63 = 222,821,028.27/x
  3. Step 3: Cross multiply
    381,548,089.49x = 526,650,545.63 × 222,821,028.27
  4. Step 4: Simplify right side
    381,548,089.49x = 117,348,816,117,549,792
  5. Step 5: Solve for x
    x = 117,348,816,117,549,792/381,548,089.49
  6. Step 6: Final answer
    x = 307,559,700.47

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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.