Home / 489,520,007.30-734,067,434.55-161,868,916.10

Finding the Fourth Proportional to 489,520,007.30, 734,067,434.55 and 161,868,916.10

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Solution

The fourth proportional to 489,520,007.30, 734,067,434.55 and 161,868,916.10 is: 242,733,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,520,007.30 : 734,067,434.55 = 161,868,916.10 : x
  2. Step 2: Convert to fraction form
    489,520,007.30/734,067,434.55 = 161,868,916.10/x
  3. Step 3: Cross multiply
    489,520,007.30x = 734,067,434.55 × 161,868,916.10
  4. Step 4: Simplify right side
    489,520,007.30x = 118,822,699,974,916,176
  5. Step 5: Solve for x
    x = 118,822,699,974,916,176/489,520,007.30
  6. Step 6: Final answer
    x = 242,733,081.80

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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.