Home / 501,204,474,261.70-691,662,249,095.55-272,835,449,917.20

Finding the Fourth Proportional to 501,204,474,261.70, 691,662,249,095.55 and 272,835,449,917.20

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Solution

The fourth proportional to 501,204,474,261.70, 691,662,249,095.55 and 272,835,449,917.20 is: 376,512,961,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,204,474,261.70 : 691,662,249,095.55 = 272,835,449,917.20 : x
  2. Step 2: Convert to fraction form
    501,204,474,261.70/691,662,249,095.55 = 272,835,449,917.20/x
  3. Step 3: Cross multiply
    501,204,474,261.70x = 691,662,249,095.55 × 272,835,449,917.20
  4. Step 4: Simplify right side
    501,204,474,261.70x = 188,709,980,922,726,859,145,216
  5. Step 5: Solve for x
    x = 188,709,980,922,726,859,145,216/501,204,474,261.70
  6. Step 6: Final answer
    x = 376,512,961,502.80

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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.