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Finding the Fourth Proportional to 323,504,001.60, 485,256,002.40 and 291,255,374.40

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Solution

The fourth proportional to 323,504,001.60, 485,256,002.40 and 291,255,374.40 is: 436,883,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,504,001.60 : 485,256,002.40 = 291,255,374.40 : x
  2. Step 2: Convert to fraction form
    323,504,001.60/485,256,002.40 = 291,255,374.40/x
  3. Step 3: Cross multiply
    323,504,001.60x = 485,256,002.40 × 291,255,374.40
  4. Step 4: Simplify right side
    323,504,001.60x = 141,333,418,658,859,280
  5. Step 5: Solve for x
    x = 141,333,418,658,859,280/323,504,001.60
  6. Step 6: Final answer
    x = 436,883,061.60

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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.