Home / 1,215,647,045.88-1,823,023,885.86-417,737,902.68

Finding the Fourth Proportional to 1,215,647,045.88, 1,823,023,885.86 and 417,737,902.68

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Solution

The fourth proportional to 1,215,647,045.88, 1,823,023,885.86 and 417,737,902.68 is: 626,453,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,647,045.88 : 1,823,023,885.86 = 417,737,902.68 : x
  2. Step 2: Convert to fraction form
    1,215,647,045.88/1,823,023,885.86 = 417,737,902.68/x
  3. Step 3: Cross multiply
    1,215,647,045.88x = 1,823,023,885.86 × 417,737,902.68
  4. Step 4: Simplify right side
    1,215,647,045.88x = 761,546,174,614,700,032
  5. Step 5: Solve for x
    x = 761,546,174,614,700,032/1,215,647,045.88
  6. Step 6: Final answer
    x = 626,453,358.48

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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.