Home / 756,441,463.59-1,135,006,956.83-388,234,986.11

Finding the Fourth Proportional to 756,441,463.59, 1,135,006,956.83 and 388,234,986.11

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Solution

The fourth proportional to 756,441,463.59, 1,135,006,956.83 and 388,234,986.11 is: 582,529,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,441,463.59 : 1,135,006,956.83 = 388,234,986.11 : x
  2. Step 2: Convert to fraction form
    756,441,463.59/1,135,006,956.83 = 388,234,986.11/x
  3. Step 3: Cross multiply
    756,441,463.59x = 1,135,006,956.83 × 388,234,986.11
  4. Step 4: Simplify right side
    756,441,463.59x = 440,649,410,120,544,768
  5. Step 5: Solve for x
    x = 440,649,410,120,544,768/756,441,463.59
  6. Step 6: Final answer
    x = 582,529,424.06

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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.