Home / 654,933,159.36-904,215,648.96-416,912,643.81

Finding the Fourth Proportional to 654,933,159.36, 904,215,648.96 and 416,912,643.81

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Solution

The fourth proportional to 654,933,159.36, 904,215,648.96 and 416,912,643.81 is: 575,599,099.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,933,159.36 : 904,215,648.96 = 416,912,643.81 : x
  2. Step 2: Convert to fraction form
    654,933,159.36/904,215,648.96 = 416,912,643.81/x
  3. Step 3: Cross multiply
    654,933,159.36x = 904,215,648.96 × 416,912,643.81
  4. Step 4: Simplify right side
    654,933,159.36x = 376,978,936,782,288,512
  5. Step 5: Solve for x
    x = 376,978,936,782,288,512/654,933,159.36
  6. Step 6: Final answer
    x = 575,599,099.53

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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.