Home / 519,003,215.20-778,504,822.80-155,497,571.20

Finding the Fourth Proportional to 519,003,215.20, 778,504,822.80 and 155,497,571.20

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Solution

The fourth proportional to 519,003,215.20, 778,504,822.80 and 155,497,571.20 is: 233,246,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,003,215.20 : 778,504,822.80 = 155,497,571.20 : x
  2. Step 2: Convert to fraction form
    519,003,215.20/778,504,822.80 = 155,497,571.20/x
  3. Step 3: Cross multiply
    519,003,215.20x = 778,504,822.80 × 155,497,571.20
  4. Step 4: Simplify right side
    519,003,215.20x = 121,055,609,112,886,368
  5. Step 5: Solve for x
    x = 121,055,609,112,886,368/519,003,215.20
  6. Step 6: Final answer
    x = 233,246,356.80

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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.