Home / 505,237,300.26-697,228,554.90-285,220,726.26

Finding the Fourth Proportional to 505,237,300.26, 697,228,554.90 and 285,220,726.26

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Solution

The fourth proportional to 505,237,300.26, 697,228,554.90 and 285,220,726.26 is: 393,605,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,237,300.26 : 697,228,554.90 = 285,220,726.26 : x
  2. Step 2: Convert to fraction form
    505,237,300.26/697,228,554.90 = 285,220,726.26/x
  3. Step 3: Cross multiply
    505,237,300.26x = 697,228,554.90 × 285,220,726.26
  4. Step 4: Simplify right side
    505,237,300.26x = 198,864,034,797,788,256
  5. Step 5: Solve for x
    x = 198,864,034,797,788,256/505,237,300.26
  6. Step 6: Final answer
    x = 393,605,212.23

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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.