Home / 1,215,647,044.88-1,823,023,884.36-417,737,901.68

Finding the Fourth Proportional to 1,215,647,044.88, 1,823,023,884.36 and 417,737,901.68

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Solution

The fourth proportional to 1,215,647,044.88, 1,823,023,884.36 and 417,737,901.68 is: 626,453,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,647,044.88 : 1,823,023,884.36 = 417,737,901.68 : x
  2. Step 2: Convert to fraction form
    1,215,647,044.88/1,823,023,884.36 = 417,737,901.68/x
  3. Step 3: Cross multiply
    1,215,647,044.88x = 1,823,023,884.36 × 417,737,901.68
  4. Step 4: Simplify right side
    1,215,647,044.88x = 761,546,172,165,069,312
  5. Step 5: Solve for x
    x = 761,546,172,165,069,312/1,215,647,044.88
  6. Step 6: Final answer
    x = 626,453,356.98

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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.