Home / 511,294,500.60-766,941,750.90-426,263,940.60

Finding the Fourth Proportional to 511,294,500.60, 766,941,750.90 and 426,263,940.60

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Solution

The fourth proportional to 511,294,500.60, 766,941,750.90 and 426,263,940.60 is: 639,395,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,294,500.60 : 766,941,750.90 = 426,263,940.60 : x
  2. Step 2: Convert to fraction form
    511,294,500.60/766,941,750.90 = 426,263,940.60/x
  3. Step 3: Cross multiply
    511,294,500.60x = 766,941,750.90 × 426,263,940.60
  4. Step 4: Simplify right side
    511,294,500.60x = 326,919,612,949,297,600
  5. Step 5: Solve for x
    x = 326,919,612,949,297,600/511,294,500.60
  6. Step 6: Final answer
    x = 639,395,910.90

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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.