Home / 407,880,960.72-562,875,806.70-222,241,976.40

Finding the Fourth Proportional to 407,880,960.72, 562,875,806.70 and 222,241,976.40

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Solution

The fourth proportional to 407,880,960.72, 562,875,806.70 and 222,241,976.40 is: 306,693,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,880,960.72 : 562,875,806.70 = 222,241,976.40 : x
  2. Step 2: Convert to fraction form
    407,880,960.72/562,875,806.70 = 222,241,976.40/x
  3. Step 3: Cross multiply
    407,880,960.72x = 562,875,806.70 × 222,241,976.40
  4. Step 4: Simplify right side
    407,880,960.72x = 125,094,631,748,752,368
  5. Step 5: Solve for x
    x = 125,094,631,748,752,368/407,880,960.72
  6. Step 6: Final answer
    x = 306,693,971.52

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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.