Home / 1,317,880,034.57-1,818,669,456.81-723,174,469.07

Finding the Fourth Proportional to 1,317,880,034.57, 1,818,669,456.81 and 723,174,469.07

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Solution

The fourth proportional to 1,317,880,034.57, 1,818,669,456.81 and 723,174,469.07 is: 997,978,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,880,034.57 : 1,818,669,456.81 = 723,174,469.07 : x
  2. Step 2: Convert to fraction form
    1,317,880,034.57/1,818,669,456.81 = 723,174,469.07/x
  3. Step 3: Cross multiply
    1,317,880,034.57x = 1,818,669,456.81 × 723,174,469.07
  4. Step 4: Simplify right side
    1,317,880,034.57x = 1,315,215,318,842,397,184
  5. Step 5: Solve for x
    x = 1,315,215,318,842,397,184/1,317,880,034.57
  6. Step 6: Final answer
    x = 997,978,028.61

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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.