Home / 489,143,487.80-733,715,231.70-334,175,292.20

Finding the Fourth Proportional to 489,143,487.80, 733,715,231.70 and 334,175,292.20

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Solution

The fourth proportional to 489,143,487.80, 733,715,231.70 and 334,175,292.20 is: 501,262,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,143,487.80 : 733,715,231.70 = 334,175,292.20 : x
  2. Step 2: Convert to fraction form
    489,143,487.80/733,715,231.70 = 334,175,292.20/x
  3. Step 3: Cross multiply
    489,143,487.80x = 733,715,231.70 × 334,175,292.20
  4. Step 4: Simplify right side
    489,143,487.80x = 245,189,501,944,938,208
  5. Step 5: Solve for x
    x = 245,189,501,944,938,208/489,143,487.80
  6. Step 6: Final answer
    x = 501,262,938.30

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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.