Home / 448,329,987.72-618,710,744.25-260,144,105.22

Finding the Fourth Proportional to 448,329,987.72, 618,710,744.25 and 260,144,105.22

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Solution

The fourth proportional to 448,329,987.72, 618,710,744.25 and 260,144,105.22 is: 359,007,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,329,987.72 : 618,710,744.25 = 260,144,105.22 : x
  2. Step 2: Convert to fraction form
    448,329,987.72/618,710,744.25 = 260,144,105.22/x
  3. Step 3: Cross multiply
    448,329,987.72x = 618,710,744.25 × 260,144,105.22
  4. Step 4: Simplify right side
    448,329,987.72x = 160,953,952,952,916,512
  5. Step 5: Solve for x
    x = 160,953,952,952,916,512/448,329,987.72
  6. Step 6: Final answer
    x = 359,007,778.56

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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.