Home / 839,835,067.70-1,259,752,601.55-531,457,570.10

Finding the Fourth Proportional to 839,835,067.70, 1,259,752,601.55 and 531,457,570.10

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Solution

The fourth proportional to 839,835,067.70, 1,259,752,601.55 and 531,457,570.10 is: 797,186,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,835,067.70 : 1,259,752,601.55 = 531,457,570.10 : x
  2. Step 2: Convert to fraction form
    839,835,067.70/1,259,752,601.55 = 531,457,570.10/x
  3. Step 3: Cross multiply
    839,835,067.70x = 1,259,752,601.55 × 531,457,570.10
  4. Step 4: Simplify right side
    839,835,067.70x = 669,505,056,546,916,480
  5. Step 5: Solve for x
    x = 669,505,056,546,916,480/839,835,067.70
  6. Step 6: Final answer
    x = 797,186,355.15

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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.