Home / 913,456,327.05-1,260,570,947.67-495,768,612.33

Finding the Fourth Proportional to 913,456,327.05, 1,260,570,947.67 and 495,768,612.33

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Solution

The fourth proportional to 913,456,327.05, 1,260,570,947.67 and 495,768,612.33 is: 684,161,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,456,327.05 : 1,260,570,947.67 = 495,768,612.33 : x
  2. Step 2: Convert to fraction form
    913,456,327.05/1,260,570,947.67 = 495,768,612.33/x
  3. Step 3: Cross multiply
    913,456,327.05x = 1,260,570,947.67 × 495,768,612.33
  4. Step 4: Simplify right side
    913,456,327.05x = 624,951,509,469,868,928
  5. Step 5: Solve for x
    x = 624,951,509,469,868,928/913,456,327.05
  6. Step 6: Final answer
    x = 684,161,345.17

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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.