Home / 512,379,224.08-706,554,858.18-438,285,078.28

Finding the Fourth Proportional to 512,379,224.08, 706,554,858.18 and 438,285,078.28

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Solution

The fourth proportional to 512,379,224.08, 706,554,858.18 and 438,285,078.28 is: 604,381,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,379,224.08 : 706,554,858.18 = 438,285,078.28 : x
  2. Step 2: Convert to fraction form
    512,379,224.08/706,554,858.18 = 438,285,078.28/x
  3. Step 3: Cross multiply
    512,379,224.08x = 706,554,858.18 × 438,285,078.28
  4. Step 4: Simplify right side
    512,379,224.08x = 309,672,451,326,535,552
  5. Step 5: Solve for x
    x = 309,672,451,326,535,552/512,379,224.08
  6. Step 6: Final answer
    x = 604,381,358.13

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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.