Home / 766,368,015.30-1,149,552,022.95-613,313,007.30

Finding the Fourth Proportional to 766,368,015.30, 1,149,552,022.95 and 613,313,007.30

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Solution

The fourth proportional to 766,368,015.30, 1,149,552,022.95 and 613,313,007.30 is: 919,969,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,368,015.30 : 1,149,552,022.95 = 613,313,007.30 : x
  2. Step 2: Convert to fraction form
    766,368,015.30/1,149,552,022.95 = 613,313,007.30/x
  3. Step 3: Cross multiply
    766,368,015.30x = 1,149,552,022.95 × 613,313,007.30
  4. Step 4: Simplify right side
    766,368,015.30x = 705,035,208,243,263,104
  5. Step 5: Solve for x
    x = 705,035,208,243,263,104/766,368,015.30
  6. Step 6: Final answer
    x = 919,969,510.95

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Double scale
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Similar ratio
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1.5x scale

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.