Home / 831,340,692,066.78-1,147,250,108,190.90-451,152,052,194.78

Finding the Fourth Proportional to 831,340,692,066.78, 1,147,250,108,190.90 and 451,152,052,194.78

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Solution

The fourth proportional to 831,340,692,066.78, 1,147,250,108,190.90 and 451,152,052,194.78 is: 622,589,806,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,340,692,066.78 : 1,147,250,108,190.90 = 451,152,052,194.78 : x
  2. Step 2: Convert to fraction form
    831,340,692,066.78/1,147,250,108,190.90 = 451,152,052,194.78/x
  3. Step 3: Cross multiply
    831,340,692,066.78x = 1,147,250,108,190.90 × 451,152,052,194.78
  4. Step 4: Simplify right side
    831,340,692,066.78x = 517,584,240,691,007,904,022,528
  5. Step 5: Solve for x
    x = 517,584,240,691,007,904,022,528/831,340,692,066.78
  6. Step 6: Final answer
    x = 622,589,806,598.13

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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.