Home / 420,820,774.53-580,750,603.77-235,181,784.75

Finding the Fourth Proportional to 420,820,774.53, 580,750,603.77 and 235,181,784.75

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Solution

The fourth proportional to 420,820,774.53, 580,750,603.77 and 235,181,784.75 is: 324,560,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,820,774.53 : 580,750,603.77 = 235,181,784.75 : x
  2. Step 2: Convert to fraction form
    420,820,774.53/580,750,603.77 = 235,181,784.75/x
  3. Step 3: Cross multiply
    420,820,774.53x = 580,750,603.77 × 235,181,784.75
  4. Step 4: Simplify right side
    420,820,774.53x = 136,581,963,489,268,672
  5. Step 5: Solve for x
    x = 136,581,963,489,268,672/420,820,774.53
  6. Step 6: Final answer
    x = 324,560,886.14

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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.