Home / 451,010,486.40-676,515,729.60-319,496,553.60

Finding the Fourth Proportional to 451,010,486.40, 676,515,729.60 and 319,496,553.60

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Solution

The fourth proportional to 451,010,486.40, 676,515,729.60 and 319,496,553.60 is: 479,244,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,010,486.40 : 676,515,729.60 = 319,496,553.60 : x
  2. Step 2: Convert to fraction form
    451,010,486.40/676,515,729.60 = 319,496,553.60/x
  3. Step 3: Cross multiply
    451,010,486.40x = 676,515,729.60 × 319,496,553.60
  4. Step 4: Simplify right side
    451,010,486.40x = 216,144,444,063,389,536
  5. Step 5: Solve for x
    x = 216,144,444,063,389,536/451,010,486.40
  6. Step 6: Final answer
    x = 479,244,830.40

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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.