Home / 489,498,193.20-734,031,826.38-259,413,371.04

Finding the Fourth Proportional to 489,498,193.20, 734,031,826.38 and 259,413,371.04

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Solution

The fourth proportional to 489,498,193.20, 734,031,826.38 and 259,413,371.04 is: 389,005,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,498,193.20 : 734,031,826.38 = 259,413,371.04 : x
  2. Step 2: Convert to fraction form
    489,498,193.20/734,031,826.38 = 259,413,371.04/x
  3. Step 3: Cross multiply
    489,498,193.20x = 734,031,826.38 × 259,413,371.04
  4. Step 4: Simplify right side
    489,498,193.20x = 190,417,670,531,883,808
  5. Step 5: Solve for x
    x = 190,417,670,531,883,808/489,498,193.20
  6. Step 6: Final answer
    x = 389,005,870.05

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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.