Home / 605,984,634.10-909,015,352.89-256,165,505.83

Finding the Fourth Proportional to 605,984,634.10, 909,015,352.89 and 256,165,505.83

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Solution

The fourth proportional to 605,984,634.10, 909,015,352.89 and 256,165,505.83 is: 384,264,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,984,634.10 : 909,015,352.89 = 256,165,505.83 : x
  2. Step 2: Convert to fraction form
    605,984,634.10/909,015,352.89 = 256,165,505.83/x
  3. Step 3: Cross multiply
    605,984,634.10x = 909,015,352.89 × 256,165,505.83
  4. Step 4: Simplify right side
    605,984,634.10x = 232,858,377,680,302,816
  5. Step 5: Solve for x
    x = 232,858,377,680,302,816/605,984,634.10
  6. Step 6: Final answer
    x = 384,264,492.16

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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.