Home / 420,820,502.84-580,750,228.74-235,181,513.04

Finding the Fourth Proportional to 420,820,502.84, 580,750,228.74 and 235,181,513.04

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Solution

The fourth proportional to 420,820,502.84, 580,750,228.74 and 235,181,513.04 is: 324,560,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,820,502.84 : 580,750,228.74 = 235,181,513.04 : x
  2. Step 2: Convert to fraction form
    420,820,502.84/580,750,228.74 = 235,181,513.04/x
  3. Step 3: Cross multiply
    420,820,502.84x = 580,750,228.74 × 235,181,513.04
  4. Step 4: Simplify right side
    420,820,502.84x = 136,581,717,493,399,296
  5. Step 5: Solve for x
    x = 136,581,717,493,399,296/420,820,502.84
  6. Step 6: Final answer
    x = 324,560,511.12

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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.