Home / 501,204,474,260.75-691,662,249,094.25-272,835,449,916.26

Finding the Fourth Proportional to 501,204,474,260.75, 691,662,249,094.25 and 272,835,449,916.26

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Solution

The fourth proportional to 501,204,474,260.75, 691,662,249,094.25 and 272,835,449,916.26 is: 376,512,961,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,204,474,260.75 : 691,662,249,094.25 = 272,835,449,916.26 : x
  2. Step 2: Convert to fraction form
    501,204,474,260.75/691,662,249,094.25 = 272,835,449,916.26/x
  3. Step 3: Cross multiply
    501,204,474,260.75x = 691,662,249,094.25 × 272,835,449,916.26
  4. Step 4: Simplify right side
    501,204,474,260.75x = 188,709,980,921,722,004,570,112
  5. Step 5: Solve for x
    x = 188,709,980,921,722,004,570,112/501,204,474,260.75
  6. Step 6: Final answer
    x = 376,512,961,501.51

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1.5x scale

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.