Home / 998,007,161.13-1,497,013,277.19-407,797,401.59

Finding the Fourth Proportional to 998,007,161.13, 1,497,013,277.19 and 407,797,401.59

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Solution

The fourth proportional to 998,007,161.13, 1,497,013,277.19 and 407,797,401.59 is: 611,697,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,007,161.13 : 1,497,013,277.19 = 407,797,401.59 : x
  2. Step 2: Convert to fraction form
    998,007,161.13/1,497,013,277.19 = 407,797,401.59/x
  3. Step 3: Cross multiply
    998,007,161.13x = 1,497,013,277.19 × 407,797,401.59
  4. Step 4: Simplify right side
    998,007,161.13x = 610,478,124,576,327,296
  5. Step 5: Solve for x
    x = 610,478,124,576,327,296/998,007,161.13
  6. Step 6: Final answer
    x = 611,697,138.41

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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.