Home / 486,411,121.47-729,839,015.37-264,750,401.91

Finding the Fourth Proportional to 486,411,121.47, 729,839,015.37 and 264,750,401.91

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Solution

The fourth proportional to 486,411,121.47, 729,839,015.37 and 264,750,401.91 is: 397,246,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,411,121.47 : 729,839,015.37 = 264,750,401.91 : x
  2. Step 2: Convert to fraction form
    486,411,121.47/729,839,015.37 = 264,750,401.91/x
  3. Step 3: Cross multiply
    486,411,121.47x = 729,839,015.37 × 264,750,401.91
  4. Step 4: Simplify right side
    486,411,121.47x = 193,225,172,648,806,176
  5. Step 5: Solve for x
    x = 193,225,172,648,806,176/486,411,121.47
  6. Step 6: Final answer
    x = 397,246,617.36

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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.