Home / 511,294,493.60-766,941,740.40-426,263,933.60

Finding the Fourth Proportional to 511,294,493.60, 766,941,740.40 and 426,263,933.60

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Solution

The fourth proportional to 511,294,493.60, 766,941,740.40 and 426,263,933.60 is: 639,395,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,294,493.60 : 766,941,740.40 = 426,263,933.60 : x
  2. Step 2: Convert to fraction form
    511,294,493.60/766,941,740.40 = 426,263,933.60/x
  3. Step 3: Cross multiply
    511,294,493.60x = 766,941,740.40 × 426,263,933.60
  4. Step 4: Simplify right side
    511,294,493.60x = 326,919,603,104,934,016
  5. Step 5: Solve for x
    x = 326,919,603,104,934,016/511,294,493.60
  6. Step 6: Final answer
    x = 639,395,900.40

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Double scale
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1.5x scale

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.