Home / 340,749,117.60-511,123,676.40-218,305,111.20

Finding the Fourth Proportional to 340,749,117.60, 511,123,676.40 and 218,305,111.20

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Solution

The fourth proportional to 340,749,117.60, 511,123,676.40 and 218,305,111.20 is: 327,457,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,749,117.60 : 511,123,676.40 = 218,305,111.20 : x
  2. Step 2: Convert to fraction form
    340,749,117.60/511,123,676.40 = 218,305,111.20/x
  3. Step 3: Cross multiply
    340,749,117.60x = 511,123,676.40 × 218,305,111.20
  4. Step 4: Simplify right side
    340,749,117.60x = 111,580,911,013,454,800
  5. Step 5: Solve for x
    x = 111,580,911,013,454,800/340,749,117.60
  6. Step 6: Final answer
    x = 327,457,666.80

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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.