Home / 501,204,474,266.80-691,662,249,102.51-272,835,449,922.26

Finding the Fourth Proportional to 501,204,474,266.80, 691,662,249,102.51 and 272,835,449,922.26

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Solution

The fourth proportional to 501,204,474,266.80, 691,662,249,102.51 and 272,835,449,922.26 is: 376,512,961,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,204,474,266.80 : 691,662,249,102.51 = 272,835,449,922.26 : x
  2. Step 2: Convert to fraction form
    501,204,474,266.80/691,662,249,102.51 = 272,835,449,922.26/x
  3. Step 3: Cross multiply
    501,204,474,266.80x = 691,662,249,102.51 × 272,835,449,922.26
  4. Step 4: Simplify right side
    501,204,474,266.80x = 188,709,980,928,125,599,481,856
  5. Step 5: Solve for x
    x = 188,709,980,928,125,599,481,856/501,204,474,266.80
  6. Step 6: Final answer
    x = 376,512,961,509.74

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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.