Home / 479,533,376.56-661,749,017.01-267,843,296.51

Finding the Fourth Proportional to 479,533,376.56, 661,749,017.01 and 267,843,296.51

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Solution

The fourth proportional to 479,533,376.56, 661,749,017.01 and 267,843,296.51 is: 369,619,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,533,376.56 : 661,749,017.01 = 267,843,296.51 : x
  2. Step 2: Convert to fraction form
    479,533,376.56/661,749,017.01 = 267,843,296.51/x
  3. Step 3: Cross multiply
    479,533,376.56x = 661,749,017.01 × 267,843,296.51
  4. Step 4: Simplify right side
    479,533,376.56x = 177,245,038,174,901,728
  5. Step 5: Solve for x
    x = 177,245,038,174,901,728/479,533,376.56
  6. Step 6: Final answer
    x = 369,619,815.51

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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.