Home / 403,381,961.96-556,668,260.46-233,869,142.60

Finding the Fourth Proportional to 403,381,961.96, 556,668,260.46 and 233,869,142.60

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Solution

The fourth proportional to 403,381,961.96, 556,668,260.46 and 233,869,142.60 is: 322,740,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,381,961.96 : 556,668,260.46 = 233,869,142.60 : x
  2. Step 2: Convert to fraction form
    403,381,961.96/556,668,260.46 = 233,869,142.60/x
  3. Step 3: Cross multiply
    403,381,961.96x = 556,668,260.46 × 233,869,142.60
  4. Step 4: Simplify right side
    403,381,961.96x = 130,187,528,786,413,680
  5. Step 5: Solve for x
    x = 130,187,528,786,413,680/403,381,961.96
  6. Step 6: Final answer
    x = 322,740,085.24

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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.