Home / 451,010,487.40-676,515,731.10-319,496,554.60

Finding the Fourth Proportional to 451,010,487.40, 676,515,731.10 and 319,496,554.60

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Solution

The fourth proportional to 451,010,487.40, 676,515,731.10 and 319,496,554.60 is: 479,244,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,010,487.40 : 676,515,731.10 = 319,496,554.60 : x
  2. Step 2: Convert to fraction form
    451,010,487.40/676,515,731.10 = 319,496,554.60/x
  3. Step 3: Cross multiply
    451,010,487.40x = 676,515,731.10 × 319,496,554.60
  4. Step 4: Simplify right side
    451,010,487.40x = 216,144,445,219,150,080
  5. Step 5: Solve for x
    x = 216,144,445,219,150,080/451,010,487.40
  6. Step 6: Final answer
    x = 479,244,831.90

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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.