Home / 489,950,204.20-734,075,000.70-413,422,700.20

Finding the Fourth Proportional to 489,950,204.20, 734,075,000.70 and 413,422,700.20

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Solution

The fourth proportional to 489,950,204.20, 734,075,000.70 and 413,422,700.20 is: 619,416,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,950,204.20 : 734,075,000.70 = 413,422,700.20 : x
  2. Step 2: Convert to fraction form
    489,950,204.20/734,075,000.70 = 413,422,700.20/x
  3. Step 3: Cross multiply
    489,950,204.20x = 734,075,000.70 × 413,422,700.20
  4. Step 4: Simplify right side
    489,950,204.20x = 303,483,268,938,710,912
  5. Step 5: Solve for x
    x = 303,483,268,938,710,912/489,950,204.20
  6. Step 6: Final answer
    x = 619,416,557.72

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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.