Home / 489,520,006.30-734,067,433.05-161,868,915.10

Finding the Fourth Proportional to 489,520,006.30, 734,067,433.05 and 161,868,915.10

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Solution

The fourth proportional to 489,520,006.30, 734,067,433.05 and 161,868,915.10 is: 242,733,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,520,006.30 : 734,067,433.05 = 161,868,915.10 : x
  2. Step 2: Convert to fraction form
    489,520,006.30/734,067,433.05 = 161,868,915.10/x
  3. Step 3: Cross multiply
    489,520,006.30x = 734,067,433.05 × 161,868,915.10
  4. Step 4: Simplify right side
    489,520,006.30x = 118,822,698,998,045,376
  5. Step 5: Solve for x
    x = 118,822,698,998,045,376/489,520,006.30
  6. Step 6: Final answer
    x = 242,733,080.30

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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.