Home / 756,441,460.51-1,135,006,952.21-388,234,983.02

Finding the Fourth Proportional to 756,441,460.51, 1,135,006,952.21 and 388,234,983.02

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Solution

The fourth proportional to 756,441,460.51, 1,135,006,952.21 and 388,234,983.02 is: 582,529,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,441,460.51 : 1,135,006,952.21 = 388,234,983.02 : x
  2. Step 2: Convert to fraction form
    756,441,460.51/1,135,006,952.21 = 388,234,983.02/x
  3. Step 3: Cross multiply
    756,441,460.51x = 1,135,006,952.21 × 388,234,983.02
  4. Step 4: Simplify right side
    756,441,460.51x = 440,649,404,818,831,296
  5. Step 5: Solve for x
    x = 440,649,404,818,831,296/756,441,460.51
  6. Step 6: Final answer
    x = 582,529,419.42

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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.