Home / 354,333,693.60-531,500,540.40-331,658,877.60

Finding the Fourth Proportional to 354,333,693.60, 531,500,540.40 and 331,658,877.60

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Solution

The fourth proportional to 354,333,693.60, 531,500,540.40 and 331,658,877.60 is: 497,488,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,333,693.60 : 531,500,540.40 = 331,658,877.60 : x
  2. Step 2: Convert to fraction form
    354,333,693.60/531,500,540.40 = 331,658,877.60/x
  3. Step 3: Cross multiply
    354,333,693.60x = 531,500,540.40 × 331,658,877.60
  4. Step 4: Simplify right side
    354,333,693.60x = 176,276,872,672,857,472
  5. Step 5: Solve for x
    x = 176,276,872,672,857,472/354,333,693.60
  6. Step 6: Final answer
    x = 497,488,316.40

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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.