Home / 340,711,243.60-511,066,865.40-218,267,237.20

Finding the Fourth Proportional to 340,711,243.60, 511,066,865.40 and 218,267,237.20

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Solution

The fourth proportional to 340,711,243.60, 511,066,865.40 and 218,267,237.20 is: 327,400,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,711,243.60 : 511,066,865.40 = 218,267,237.20 : x
  2. Step 2: Convert to fraction form
    340,711,243.60/511,066,865.40 = 218,267,237.20/x
  3. Step 3: Cross multiply
    340,711,243.60x = 511,066,865.40 × 218,267,237.20
  4. Step 4: Simplify right side
    340,711,243.60x = 111,549,152,735,322,256
  5. Step 5: Solve for x
    x = 111,549,152,735,322,256/340,711,243.60
  6. Step 6: Final answer
    x = 327,400,855.80

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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.