Home / 519,003,221.70-778,504,832.55-155,497,577.70

Finding the Fourth Proportional to 519,003,221.70, 778,504,832.55 and 155,497,577.70

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Solution

The fourth proportional to 519,003,221.70, 778,504,832.55 and 155,497,577.70 is: 233,246,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,003,221.70 : 778,504,832.55 = 155,497,577.70 : x
  2. Step 2: Convert to fraction form
    519,003,221.70/778,504,832.55 = 155,497,577.70/x
  3. Step 3: Cross multiply
    519,003,221.70x = 778,504,832.55 × 155,497,577.70
  4. Step 4: Simplify right side
    519,003,221.70x = 121,055,615,689,269,104
  5. Step 5: Solve for x
    x = 121,055,615,689,269,104/519,003,221.70
  6. Step 6: Final answer
    x = 233,246,366.55

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Similar ratio
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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.