Home / 878,448,680,117.50-1,212,192,649,992.60-492,998,583,036.47

Finding the Fourth Proportional to 878,448,680,117.50, 1,212,192,649,992.60 and 492,998,583,036.47

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Solution

The fourth proportional to 878,448,680,117.50, 1,212,192,649,992.60 and 492,998,583,036.47 is: 680,300,707,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,448,680,117.50 : 1,212,192,649,992.60 = 492,998,583,036.47 : x
  2. Step 2: Convert to fraction form
    878,448,680,117.50/1,212,192,649,992.60 = 492,998,583,036.47/x
  3. Step 3: Cross multiply
    878,448,680,117.50x = 1,212,192,649,992.60 × 492,998,583,036.47
  4. Step 4: Simplify right side
    878,448,680,117.50x = 597,609,258,813,575,453,999,104
  5. Step 5: Solve for x
    x = 597,609,258,813,575,453,999,104/878,448,680,117.50
  6. Step 6: Final answer
    x = 680,300,707,758.64

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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.