Home / 665,097,407.42-917,632,836.87-464,148,936.54

Finding the Fourth Proportional to 665,097,407.42, 917,632,836.87 and 464,148,936.54

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Solution

The fourth proportional to 665,097,407.42, 917,632,836.87 and 464,148,936.54 is: 640,384,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,097,407.42 : 917,632,836.87 = 464,148,936.54 : x
  2. Step 2: Convert to fraction form
    665,097,407.42/917,632,836.87 = 464,148,936.54/x
  3. Step 3: Cross multiply
    665,097,407.42x = 917,632,836.87 × 464,148,936.54
  4. Step 4: Simplify right side
    665,097,407.42x = 425,918,305,367,393,856
  5. Step 5: Solve for x
    x = 425,918,305,367,393,856/665,097,407.42
  6. Step 6: Final answer
    x = 640,384,852.83

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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.