Home / 554,843,945.57-765,685,549.08-303,942,830.04

Finding the Fourth Proportional to 554,843,945.57, 765,685,549.08 and 303,942,830.04

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Solution

The fourth proportional to 554,843,945.57, 765,685,549.08 and 303,942,830.04 is: 419,441,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,843,945.57 : 765,685,549.08 = 303,942,830.04 : x
  2. Step 2: Convert to fraction form
    554,843,945.57/765,685,549.08 = 303,942,830.04/x
  3. Step 3: Cross multiply
    554,843,945.57x = 765,685,549.08 × 303,942,830.04
  4. Step 4: Simplify right side
    554,843,945.57x = 232,724,632,708,106,560
  5. Step 5: Solve for x
    x = 232,724,632,708,106,560/554,843,945.57
  6. Step 6: Final answer
    x = 419,441,600.78

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1.5x scale

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.