Home / 519,696,007.20-779,544,010.80-156,190,363.20

Finding the Fourth Proportional to 519,696,007.20, 779,544,010.80 and 156,190,363.20

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Solution

The fourth proportional to 519,696,007.20, 779,544,010.80 and 156,190,363.20 is: 234,285,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,696,007.20 : 779,544,010.80 = 156,190,363.20 : x
  2. Step 2: Convert to fraction form
    519,696,007.20/779,544,010.80 = 156,190,363.20/x
  3. Step 3: Cross multiply
    519,696,007.20x = 779,544,010.80 × 156,190,363.20
  4. Step 4: Simplify right side
    519,696,007.20x = 121,757,262,177,236,704
  5. Step 5: Solve for x
    x = 121,757,262,177,236,704/519,696,007.20
  6. Step 6: Final answer
    x = 234,285,544.80

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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.