Home / 440,093,114.70-660,139,672.05-198,228,410.70

Finding the Fourth Proportional to 440,093,114.70, 660,139,672.05 and 198,228,410.70

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Solution

The fourth proportional to 440,093,114.70, 660,139,672.05 and 198,228,410.70 is: 297,342,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,093,114.70 : 660,139,672.05 = 198,228,410.70 : x
  2. Step 2: Convert to fraction form
    440,093,114.70/660,139,672.05 = 198,228,410.70/x
  3. Step 3: Cross multiply
    440,093,114.70x = 660,139,672.05 × 198,228,410.70
  4. Step 4: Simplify right side
    440,093,114.70x = 130,858,438,030,490,688
  5. Step 5: Solve for x
    x = 130,858,438,030,490,688/440,093,114.70
  6. Step 6: Final answer
    x = 297,342,616.05

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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.