Home / 682,769,901.95-942,222,453.25-369,504,115.92

Finding the Fourth Proportional to 682,769,901.95, 942,222,453.25 and 369,504,115.92

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Solution

The fourth proportional to 682,769,901.95, 942,222,453.25 and 369,504,115.92 is: 509,915,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,769,901.95 : 942,222,453.25 = 369,504,115.92 : x
  2. Step 2: Convert to fraction form
    682,769,901.95/942,222,453.25 = 369,504,115.92/x
  3. Step 3: Cross multiply
    682,769,901.95x = 942,222,453.25 × 369,504,115.92
  4. Step 4: Simplify right side
    682,769,901.95x = 348,155,074,583,911,744
  5. Step 5: Solve for x
    x = 348,155,074,583,911,744/682,769,901.95
  6. Step 6: Final answer
    x = 509,915,673.78

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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.