Home / 340,749,066.60-511,123,599.90-218,305,060.20

Finding the Fourth Proportional to 340,749,066.60, 511,123,599.90 and 218,305,060.20

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Solution

The fourth proportional to 340,749,066.60, 511,123,599.90 and 218,305,060.20 is: 327,457,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,749,066.60 : 511,123,599.90 = 218,305,060.20 : x
  2. Step 2: Convert to fraction form
    340,749,066.60/511,123,599.90 = 218,305,060.20/x
  3. Step 3: Cross multiply
    340,749,066.60x = 511,123,599.90 × 218,305,060.20
  4. Step 4: Simplify right side
    340,749,066.60x = 111,580,868,245,810,208
  5. Step 5: Solve for x
    x = 111,580,868,245,810,208/340,749,066.60
  6. Step 6: Final answer
    x = 327,457,590.30

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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.