Home / 831,587,189,678.15-1,245,232,511,621.60-573,932,982,663.80

Finding the Fourth Proportional to 831,587,189,678.15, 1,245,232,511,621.60 and 573,932,982,663.80

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Solution

The fourth proportional to 831,587,189,678.15, 1,245,232,511,621.60 and 573,932,982,663.80 is: 859,416,809,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,587,189,678.15 : 1,245,232,511,621.60 = 573,932,982,663.80 : x
  2. Step 2: Convert to fraction form
    831,587,189,678.15/1,245,232,511,621.60 = 573,932,982,663.80/x
  3. Step 3: Cross multiply
    831,587,189,678.15x = 1,245,232,511,621.60 × 573,932,982,663.80
  4. Step 4: Simplify right side
    831,587,189,678.15x = 714,680,009,504,919,998,431,232
  5. Step 5: Solve for x
    x = 714,680,009,504,919,998,431,232/831,587,189,678.15
  6. Step 6: Final answer
    x = 859,416,809,657.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.