Home / 774,198,003.80-1,161,297,005.70-256,708,314.20

Finding the Fourth Proportional to 774,198,003.80, 1,161,297,005.70 and 256,708,314.20

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Solution

The fourth proportional to 774,198,003.80, 1,161,297,005.70 and 256,708,314.20 is: 385,062,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,198,003.80 : 1,161,297,005.70 = 256,708,314.20 : x
  2. Step 2: Convert to fraction form
    774,198,003.80/1,161,297,005.70 = 256,708,314.20/x
  3. Step 3: Cross multiply
    774,198,003.80x = 1,161,297,005.70 × 256,708,314.20
  4. Step 4: Simplify right side
    774,198,003.80x = 298,114,596,618,754,816
  5. Step 5: Solve for x
    x = 298,114,596,618,754,816/774,198,003.80
  6. Step 6: Final answer
    x = 385,062,471.30

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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.