Home / 489,696,028.80-734,544,043.20-166,579,900.80

Finding the Fourth Proportional to 489,696,028.80, 734,544,043.20 and 166,579,900.80

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Solution

The fourth proportional to 489,696,028.80, 734,544,043.20 and 166,579,900.80 is: 249,869,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,696,028.80 : 734,544,043.20 = 166,579,900.80 : x
  2. Step 2: Convert to fraction form
    489,696,028.80/734,544,043.20 = 166,579,900.80/x
  3. Step 3: Cross multiply
    489,696,028.80x = 734,544,043.20 × 166,579,900.80
  4. Step 4: Simplify right side
    489,696,028.80x = 122,360,273,849,486,928
  5. Step 5: Solve for x
    x = 122,360,273,849,486,928/489,696,028.80
  6. Step 6: Final answer
    x = 249,869,851.20

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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.