Home / 660,907,372,456.88-991,563,379,946.82-338,438,506,035.34

Finding the Fourth Proportional to 660,907,372,456.88, 991,563,379,946.82 and 338,438,506,035.34

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Solution

The fourth proportional to 660,907,372,456.88, 991,563,379,946.82 and 338,438,506,035.34 is: 507,761,364,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,907,372,456.88 : 991,563,379,946.82 = 338,438,506,035.34 : x
  2. Step 2: Convert to fraction form
    660,907,372,456.88/991,563,379,946.82 = 338,438,506,035.34/x
  3. Step 3: Cross multiply
    660,907,372,456.88x = 991,563,379,946.82 × 338,438,506,035.34
  4. Step 4: Simplify right side
    660,907,372,456.88x = 335,583,228,948,553,981,231,104
  5. Step 5: Solve for x
    x = 335,583,228,948,553,981,231,104/660,907,372,456.88
  6. Step 6: Final answer
    x = 507,761,364,048.71

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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.