Home / 831,587,189,678.90-1,245,232,511,622.80-573,932,982,664.56

Finding the Fourth Proportional to 831,587,189,678.90, 1,245,232,511,622.80 and 573,932,982,664.56

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Solution

The fourth proportional to 831,587,189,678.90, 1,245,232,511,622.80 and 573,932,982,664.56 is: 859,416,809,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,587,189,678.90 : 1,245,232,511,622.80 = 573,932,982,664.56 : x
  2. Step 2: Convert to fraction form
    831,587,189,678.90/1,245,232,511,622.80 = 573,932,982,664.56/x
  3. Step 3: Cross multiply
    831,587,189,678.90x = 1,245,232,511,622.80 × 573,932,982,664.56
  4. Step 4: Simplify right side
    831,587,189,678.90x = 714,680,009,506,555,038,793,728
  5. Step 5: Solve for x
    x = 714,680,009,506,555,038,793,728/831,587,189,678.90
  6. Step 6: Final answer
    x = 859,416,809,658.30

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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.