Home / 809,463,822.90-1,117,067,776.83-474,942,036.84

Finding the Fourth Proportional to 809,463,822.90, 1,117,067,776.83 and 474,942,036.84

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Solution

The fourth proportional to 809,463,822.90, 1,117,067,776.83 and 474,942,036.84 is: 655,424,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,463,822.90 : 1,117,067,776.83 = 474,942,036.84 : x
  2. Step 2: Convert to fraction form
    809,463,822.90/1,117,067,776.83 = 474,942,036.84/x
  3. Step 3: Cross multiply
    809,463,822.90x = 1,117,067,776.83 × 474,942,036.84
  4. Step 4: Simplify right side
    809,463,822.90x = 530,542,445,215,970,688
  5. Step 5: Solve for x
    x = 530,542,445,215,970,688/809,463,822.90
  6. Step 6: Final answer
    x = 655,424,529.43

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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.