Home / 590,976,221.10-886,464,331.65-393,705,321.90

Finding the Fourth Proportional to 590,976,221.10, 886,464,331.65 and 393,705,321.90

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Solution

The fourth proportional to 590,976,221.10, 886,464,331.65 and 393,705,321.90 is: 590,557,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,976,221.10 : 886,464,331.65 = 393,705,321.90 : x
  2. Step 2: Convert to fraction form
    590,976,221.10/886,464,331.65 = 393,705,321.90/x
  3. Step 3: Cross multiply
    590,976,221.10x = 886,464,331.65 × 393,705,321.90
  4. Step 4: Simplify right side
    590,976,221.10x = 349,005,725,045,131,584
  5. Step 5: Solve for x
    x = 349,005,725,045,131,584/590,976,221.10
  6. Step 6: Final answer
    x = 590,557,982.85

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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.