Home / 313,521,496.85-432,258,028.24-256,797,274.04

Finding the Fourth Proportional to 313,521,496.85, 432,258,028.24 and 256,797,274.04

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Solution

The fourth proportional to 313,521,496.85, 432,258,028.24 and 256,797,274.04 is: 354,051,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,521,496.85 : 432,258,028.24 = 256,797,274.04 : x
  2. Step 2: Convert to fraction form
    313,521,496.85/432,258,028.24 = 256,797,274.04/x
  3. Step 3: Cross multiply
    313,521,496.85x = 432,258,028.24 × 256,797,274.04
  4. Step 4: Simplify right side
    313,521,496.85x = 111,002,683,333,235,232
  5. Step 5: Solve for x
    x = 111,002,683,333,235,232/313,521,496.85
  6. Step 6: Final answer
    x = 354,051,267.46

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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.