Home / 307,486,177.44-423,946,015.31-256,638,013.13

Finding the Fourth Proportional to 307,486,177.44, 423,946,015.31 and 256,638,013.13

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Solution

The fourth proportional to 307,486,177.44, 423,946,015.31 and 256,638,013.13 is: 353,839,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,486,177.44 : 423,946,015.31 = 256,638,013.13 : x
  2. Step 2: Convert to fraction form
    307,486,177.44/423,946,015.31 = 256,638,013.13/x
  3. Step 3: Cross multiply
    307,486,177.44x = 423,946,015.31 × 256,638,013.13
  4. Step 4: Simplify right side
    307,486,177.44x = 108,800,663,040,136,048
  5. Step 5: Solve for x
    x = 108,800,663,040,136,048/307,486,177.44
  6. Step 6: Final answer
    x = 353,839,200.01

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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.