Home / 502,809,980,189.16-694,785,420,344.76-358,042,777,980

Finding the Fourth Proportional to 502,809,980,189.16, 694,785,420,344.76 and 358,042,777,980

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Solution

The fourth proportional to 502,809,980,189.16, 694,785,420,344.76 and 358,042,777,980 is: 494,745,354,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,809,980,189.16 : 694,785,420,344.76 = 358,042,777,980 : x
  2. Step 2: Convert to fraction form
    502,809,980,189.16/694,785,420,344.76 = 358,042,777,980/x
  3. Step 3: Cross multiply
    502,809,980,189.16x = 694,785,420,344.76 × 358,042,777,980
  4. Step 4: Simplify right side
    502,809,980,189.16x = 248,762,902,000,239,879,651,328
  5. Step 5: Solve for x
    x = 248,762,902,000,239,879,651,328/502,809,980,189.16
  6. Step 6: Final answer
    x = 494,745,354,709.65

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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.