Home / 331,834,518.40-497,751,777.60-210,752,867.20

Finding the Fourth Proportional to 331,834,518.40, 497,751,777.60 and 210,752,867.20

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Solution

The fourth proportional to 331,834,518.40, 497,751,777.60 and 210,752,867.20 is: 316,129,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,834,518.40 : 497,751,777.60 = 210,752,867.20 : x
  2. Step 2: Convert to fraction form
    331,834,518.40/497,751,777.60 = 210,752,867.20/x
  3. Step 3: Cross multiply
    331,834,518.40x = 497,751,777.60 × 210,752,867.20
  4. Step 4: Simplify right side
    331,834,518.40x = 104,902,614,283,096,736
  5. Step 5: Solve for x
    x = 104,902,614,283,096,736/331,834,518.40
  6. Step 6: Final answer
    x = 316,129,300.80

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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.