Home / 323,505,334.60-485,258,001.90-291,256,707.40

Finding the Fourth Proportional to 323,505,334.60, 485,258,001.90 and 291,256,707.40

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Solution

The fourth proportional to 323,505,334.60, 485,258,001.90 and 291,256,707.40 is: 436,885,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,505,334.60 : 485,258,001.90 = 291,256,707.40 : x
  2. Step 2: Convert to fraction form
    323,505,334.60/485,258,001.90 = 291,256,707.40/x
  3. Step 3: Cross multiply
    323,505,334.60x = 485,258,001.90 × 291,256,707.40
  4. Step 4: Simplify right side
    323,505,334.60x = 141,334,647,872,896,928
  5. Step 5: Solve for x
    x = 141,334,647,872,896,928/323,505,334.60
  6. Step 6: Final answer
    x = 436,885,061.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.