Home / 1,317,880,039.57-1,818,669,463.71-723,174,474.07

Finding the Fourth Proportional to 1,317,880,039.57, 1,818,669,463.71 and 723,174,474.07

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Solution

The fourth proportional to 1,317,880,039.57, 1,818,669,463.71 and 723,174,474.07 is: 997,978,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,880,039.57 : 1,818,669,463.71 = 723,174,474.07 : x
  2. Step 2: Convert to fraction form
    1,317,880,039.57/1,818,669,463.71 = 723,174,474.07/x
  3. Step 3: Cross multiply
    1,317,880,039.57x = 1,818,669,463.71 × 723,174,474.07
  4. Step 4: Simplify right side
    1,317,880,039.57x = 1,315,215,332,925,648,384
  5. Step 5: Solve for x
    x = 1,315,215,332,925,648,384/1,317,880,039.57
  6. Step 6: Final answer
    x = 997,978,035.51

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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.