Home / 407,880,961.72-562,875,808.08-222,241,977.40

Finding the Fourth Proportional to 407,880,961.72, 562,875,808.08 and 222,241,977.40

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Solution

The fourth proportional to 407,880,961.72, 562,875,808.08 and 222,241,977.40 is: 306,693,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,880,961.72 : 562,875,808.08 = 222,241,977.40 : x
  2. Step 2: Convert to fraction form
    407,880,961.72/562,875,808.08 = 222,241,977.40/x
  3. Step 3: Cross multiply
    407,880,961.72x = 562,875,808.08 × 222,241,977.40
  4. Step 4: Simplify right side
    407,880,961.72x = 125,094,632,618,322,112
  5. Step 5: Solve for x
    x = 125,094,632,618,322,112/407,880,961.72
  6. Step 6: Final answer
    x = 306,693,972.90

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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.