Home / 340,711,237.60-511,066,856.40-218,267,231.20

Finding the Fourth Proportional to 340,711,237.60, 511,066,856.40 and 218,267,231.20

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Solution

The fourth proportional to 340,711,237.60, 511,066,856.40 and 218,267,231.20 is: 327,400,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,711,237.60 : 511,066,856.40 = 218,267,231.20 : x
  2. Step 2: Convert to fraction form
    340,711,237.60/511,066,856.40 = 218,267,231.20/x
  3. Step 3: Cross multiply
    340,711,237.60x = 511,066,856.40 × 218,267,231.20
  4. Step 4: Simplify right side
    340,711,237.60x = 111,549,147,704,515,984
  5. Step 5: Solve for x
    x = 111,549,147,704,515,984/340,711,237.60
  6. Step 6: Final answer
    x = 327,400,846.80

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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.