Home / 554,761,881.77-765,202,682.42-356,773,832.47

Finding the Fourth Proportional to 554,761,881.77, 765,202,682.42 and 356,773,832.47

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Solution

The fourth proportional to 554,761,881.77, 765,202,682.42 and 356,773,832.47 is: 492,110,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,761,881.77 : 765,202,682.42 = 356,773,832.47 : x
  2. Step 2: Convert to fraction form
    554,761,881.77/765,202,682.42 = 356,773,832.47/x
  3. Step 3: Cross multiply
    554,761,881.77x = 765,202,682.42 × 356,773,832.47
  4. Step 4: Simplify right side
    554,761,881.77x = 273,004,293,620,509,120
  5. Step 5: Solve for x
    x = 273,004,293,620,509,120/554,761,881.77
  6. Step 6: Final answer
    x = 492,110,764.26

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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.