Home / 393,676,810.60-590,515,215.90-163,569,418.60

Finding the Fourth Proportional to 393,676,810.60, 590,515,215.90 and 163,569,418.60

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Solution

The fourth proportional to 393,676,810.60, 590,515,215.90 and 163,569,418.60 is: 245,354,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,676,810.60 : 590,515,215.90 = 163,569,418.60 : x
  2. Step 2: Convert to fraction form
    393,676,810.60/590,515,215.90 = 163,569,418.60/x
  3. Step 3: Cross multiply
    393,676,810.60x = 590,515,215.90 × 163,569,418.60
  4. Step 4: Simplify right side
    393,676,810.60x = 96,590,230,539,216,464
  5. Step 5: Solve for x
    x = 96,590,230,539,216,464/393,676,810.60
  6. Step 6: Final answer
    x = 245,354,127.90

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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.