Home / 605,984,633.10-909,015,351.39-256,165,504.83

Finding the Fourth Proportional to 605,984,633.10, 909,015,351.39 and 256,165,504.83

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Solution

The fourth proportional to 605,984,633.10, 909,015,351.39 and 256,165,504.83 is: 384,264,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,984,633.10 : 909,015,351.39 = 256,165,504.83 : x
  2. Step 2: Convert to fraction form
    605,984,633.10/909,015,351.39 = 256,165,504.83/x
  3. Step 3: Cross multiply
    605,984,633.10x = 909,015,351.39 × 256,165,504.83
  4. Step 4: Simplify right side
    605,984,633.10x = 232,858,376,387,039,200
  5. Step 5: Solve for x
    x = 232,858,376,387,039,200/605,984,633.10
  6. Step 6: Final answer
    x = 384,264,490.66

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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.