Home / 489,075,333.10-733,612,999.65-325,816,657.90

Finding the Fourth Proportional to 489,075,333.10, 733,612,999.65 and 325,816,657.90

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Solution

The fourth proportional to 489,075,333.10, 733,612,999.65 and 325,816,657.90 is: 488,724,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,075,333.10 : 733,612,999.65 = 325,816,657.90 : x
  2. Step 2: Convert to fraction form
    489,075,333.10/733,612,999.65 = 325,816,657.90/x
  3. Step 3: Cross multiply
    489,075,333.10x = 733,612,999.65 × 325,816,657.90
  4. Step 4: Simplify right side
    489,075,333.10x = 239,023,335,737,956,832
  5. Step 5: Solve for x
    x = 239,023,335,737,956,832/489,075,333.10
  6. Step 6: Final answer
    x = 488,724,986.85

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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.