Home / 505,593,876.48-757,724,934.42-214,100,314.08

Finding the Fourth Proportional to 505,593,876.48, 757,724,934.42 and 214,100,314.08

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Solution

The fourth proportional to 505,593,876.48, 757,724,934.42 and 214,100,314.08 is: 320,868,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,593,876.48 : 757,724,934.42 = 214,100,314.08 : x
  2. Step 2: Convert to fraction form
    505,593,876.48/757,724,934.42 = 214,100,314.08/x
  3. Step 3: Cross multiply
    505,593,876.48x = 757,724,934.42 × 214,100,314.08
  4. Step 4: Simplify right side
    505,593,876.48x = 162,229,146,445,569,408
  5. Step 5: Solve for x
    x = 162,229,146,445,569,408/505,593,876.48
  6. Step 6: Final answer
    x = 320,868,495.43

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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.