Home / 20,979,430,590.24-31,472,561,104.56-9,798,485,663.52

Finding the Fourth Proportional to 20,979,430,590.24, 31,472,561,104.56 and 9,798,485,663.52

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Solution

The fourth proportional to 20,979,430,590.24, 31,472,561,104.56 and 9,798,485,663.52 is: 14,699,323,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,979,430,590.24 : 31,472,561,104.56 = 9,798,485,663.52 : x
  2. Step 2: Convert to fraction form
    20,979,430,590.24/31,472,561,104.56 = 9,798,485,663.52/x
  3. Step 3: Cross multiply
    20,979,430,590.24x = 31,472,561,104.56 × 9,798,485,663.52
  4. Step 4: Simplify right side
    20,979,430,590.24x = 308,383,438,777,288,359,936
  5. Step 5: Solve for x
    x = 308,383,438,777,288,359,936/20,979,430,590.24
  6. Step 6: Final answer
    x = 14,699,323,580.34

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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.