Home / 407,880,981.88-562,875,836.00-222,241,997.57

Finding the Fourth Proportional to 407,880,981.88, 562,875,836.00 and 222,241,997.57

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Solution

The fourth proportional to 407,880,981.88, 562,875,836.00 and 222,241,997.57 is: 306,694,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,880,981.88 : 562,875,836.00 = 222,241,997.57 : x
  2. Step 2: Convert to fraction form
    407,880,981.88/562,875,836.00 = 222,241,997.57/x
  3. Step 3: Cross multiply
    407,880,981.88x = 562,875,836.00 × 222,241,997.57
  4. Step 4: Simplify right side
    407,880,981.88x = 125,094,650,172,598,128
  5. Step 5: Solve for x
    x = 125,094,650,172,598,128/407,880,981.88
  6. Step 6: Final answer
    x = 306,694,000.78

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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.