Home / 802,650,081.60-1,107,654,865.56-445,471,782.48

Finding the Fourth Proportional to 802,650,081.60, 1,107,654,865.56 and 445,471,782.48

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Solution

The fourth proportional to 802,650,081.60, 1,107,654,865.56 and 445,471,782.48 is: 614,749,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,650,081.60 : 1,107,654,865.56 = 445,471,782.48 : x
  2. Step 2: Convert to fraction form
    802,650,081.60/1,107,654,865.56 = 445,471,782.48/x
  3. Step 3: Cross multiply
    802,650,081.60x = 1,107,654,865.56 × 445,471,782.48
  4. Step 4: Simplify right side
    802,650,081.60x = 493,428,987,333,657,984
  5. Step 5: Solve for x
    x = 493,428,987,333,657,984/802,650,081.60
  6. Step 6: Final answer
    x = 614,749,812.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.