Home / 613,293,020.48-918,472,969.44-353,721,291.20

Finding the Fourth Proportional to 613,293,020.48, 918,472,969.44 and 353,721,291.20

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Solution

The fourth proportional to 613,293,020.48, 918,472,969.44 and 353,721,291.20 is: 529,736,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,293,020.48 : 918,472,969.44 = 353,721,291.20 : x
  2. Step 2: Convert to fraction form
    613,293,020.48/918,472,969.44 = 353,721,291.20/x
  3. Step 3: Cross multiply
    613,293,020.48x = 918,472,969.44 × 353,721,291.20
  4. Step 4: Simplify right side
    613,293,020.48x = 324,883,444,682,614,976
  5. Step 5: Solve for x
    x = 324,883,444,682,614,976/613,293,020.48
  6. Step 6: Final answer
    x = 529,736,086.72

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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.