Home / 340,711,135.60-511,066,703.40-218,267,129.20

Finding the Fourth Proportional to 340,711,135.60, 511,066,703.40 and 218,267,129.20

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Solution

The fourth proportional to 340,711,135.60, 511,066,703.40 and 218,267,129.20 is: 327,400,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,711,135.60 : 511,066,703.40 = 218,267,129.20 : x
  2. Step 2: Convert to fraction form
    340,711,135.60/511,066,703.40 = 218,267,129.20/x
  3. Step 3: Cross multiply
    340,711,135.60x = 511,066,703.40 × 218,267,129.20
  4. Step 4: Simplify right side
    340,711,135.60x = 111,549,062,180,825,872
  5. Step 5: Solve for x
    x = 111,549,062,180,825,872/340,711,135.60
  6. Step 6: Final answer
    x = 327,400,693.80

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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.