Home / 878,448,680,117-1,212,192,649,991.90-492,998,583,035.97

Finding the Fourth Proportional to 878,448,680,117, 1,212,192,649,991.90 and 492,998,583,035.97

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Solution

The fourth proportional to 878,448,680,117, 1,212,192,649,991.90 and 492,998,583,035.97 is: 680,300,707,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,448,680,117 : 1,212,192,649,991.90 = 492,998,583,035.97 : x
  2. Step 2: Convert to fraction form
    878,448,680,117/1,212,192,649,991.90 = 492,998,583,035.97/x
  3. Step 3: Cross multiply
    878,448,680,117x = 1,212,192,649,991.90 × 492,998,583,035.97
  4. Step 4: Simplify right side
    878,448,680,117x = 597,609,258,812,624,118,743,040
  5. Step 5: Solve for x
    x = 597,609,258,812,624,118,743,040/878,448,680,117
  6. Step 6: Final answer
    x = 680,300,707,757.94

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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.