Home / 511,298,005.60-766,947,008.40-426,267,445.60

Finding the Fourth Proportional to 511,298,005.60, 766,947,008.40 and 426,267,445.60

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Solution

The fourth proportional to 511,298,005.60, 766,947,008.40 and 426,267,445.60 is: 639,401,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,298,005.60 : 766,947,008.40 = 426,267,445.60 : x
  2. Step 2: Convert to fraction form
    511,298,005.60/766,947,008.40 = 426,267,445.60/x
  3. Step 3: Cross multiply
    511,298,005.60x = 766,947,008.40 × 426,267,445.60
  4. Step 4: Simplify right side
    511,298,005.60x = 326,924,542,181,229,760
  5. Step 5: Solve for x
    x = 326,924,542,181,229,760/511,298,005.60
  6. Step 6: Final answer
    x = 639,401,168.40

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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.