Home / 475,990,223.48-713,966,138.82-242,815,820.34

Finding the Fourth Proportional to 475,990,223.48, 713,966,138.82 and 242,815,820.34

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Solution

The fourth proportional to 475,990,223.48, 713,966,138.82 and 242,815,820.34 is: 364,213,937.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,990,223.48 : 713,966,138.82 = 242,815,820.34 : x
  2. Step 2: Convert to fraction form
    475,990,223.48/713,966,138.82 = 242,815,820.34/x
  3. Step 3: Cross multiply
    475,990,223.48x = 713,966,138.82 × 242,815,820.34
  4. Step 4: Simplify right side
    475,990,223.48x = 173,362,273,692,560,640
  5. Step 5: Solve for x
    x = 173,362,273,692,560,640/475,990,223.48
  6. Step 6: Final answer
    x = 364,213,937.89

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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.