Home / 500,115,838.24-689,940,017.28-301,766,704.24

Finding the Fourth Proportional to 500,115,838.24, 689,940,017.28 and 301,766,704.24

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Solution

The fourth proportional to 500,115,838.24, 689,940,017.28 and 301,766,704.24 is: 416,305,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,115,838.24 : 689,940,017.28 = 301,766,704.24 : x
  2. Step 2: Convert to fraction form
    500,115,838.24/689,940,017.28 = 301,766,704.24/x
  3. Step 3: Cross multiply
    500,115,838.24x = 689,940,017.28 × 301,766,704.24
  4. Step 4: Simplify right side
    500,115,838.24x = 208,200,925,137,874,240
  5. Step 5: Solve for x
    x = 208,200,925,137,874,240/500,115,838.24
  6. Step 6: Final answer
    x = 416,305,402.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.