Home / 756,441,457.75-1,135,006,948.08-388,234,980.27

Finding the Fourth Proportional to 756,441,457.75, 1,135,006,948.08 and 388,234,980.27

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Solution

The fourth proportional to 756,441,457.75, 1,135,006,948.08 and 388,234,980.27 is: 582,529,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,441,457.75 : 1,135,006,948.08 = 388,234,980.27 : x
  2. Step 2: Convert to fraction form
    756,441,457.75/1,135,006,948.08 = 388,234,980.27/x
  3. Step 3: Cross multiply
    756,441,457.75x = 1,135,006,948.08 × 388,234,980.27
  4. Step 4: Simplify right side
    756,441,457.75x = 440,649,400,098,428,096
  5. Step 5: Solve for x
    x = 440,649,400,098,428,096/756,441,457.75
  6. Step 6: Final answer
    x = 582,529,415.31

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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.