Home / 501,204,474,308.97-691,662,249,160.70-272,835,449,964.45

Finding the Fourth Proportional to 501,204,474,308.97, 691,662,249,160.70 and 272,835,449,964.45

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Solution

The fourth proportional to 501,204,474,308.97, 691,662,249,160.70 and 272,835,449,964.45 is: 376,512,961,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,204,474,308.97 : 691,662,249,160.70 = 272,835,449,964.45 : x
  2. Step 2: Convert to fraction form
    501,204,474,308.97/691,662,249,160.70 = 272,835,449,964.45/x
  3. Step 3: Cross multiply
    501,204,474,308.97x = 691,662,249,160.70 × 272,835,449,964.45
  4. Step 4: Simplify right side
    501,204,474,308.97x = 188,709,980,973,183,094,751,232
  5. Step 5: Solve for x
    x = 188,709,980,973,183,094,751,232/501,204,474,308.97
  6. Step 6: Final answer
    x = 376,512,961,567.96

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Double scale
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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.