Home / 291,279,260.93-402,061,172.65-231,849,569.84

Finding the Fourth Proportional to 291,279,260.93, 402,061,172.65 and 231,849,569.84

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Solution

The fourth proportional to 291,279,260.93, 402,061,172.65 and 231,849,569.84 is: 320,028,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,279,260.93 : 402,061,172.65 = 231,849,569.84 : x
  2. Step 2: Convert to fraction form
    291,279,260.93/402,061,172.65 = 231,849,569.84/x
  3. Step 3: Cross multiply
    291,279,260.93x = 402,061,172.65 × 231,849,569.84
  4. Step 4: Simplify right side
    291,279,260.93x = 93,217,709,925,840,864
  5. Step 5: Solve for x
    x = 93,217,709,925,840,864/291,279,260.93
  6. Step 6: Final answer
    x = 320,028,654.39

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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.