Home / 440,000,117.70-660,079,892.70-221,099,569.80

Finding the Fourth Proportional to 440,000,117.70, 660,079,892.70 and 221,099,569.80

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Solution

The fourth proportional to 440,000,117.70, 660,079,892.70 and 221,099,569.80 is: 331,689,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,000,117.70 : 660,079,892.70 = 221,099,569.80 : x
  2. Step 2: Convert to fraction form
    440,000,117.70/660,079,892.70 = 221,099,569.80/x
  3. Step 3: Cross multiply
    440,000,117.70x = 660,079,892.70 × 221,099,569.80
  4. Step 4: Simplify right side
    440,000,117.70x = 145,943,380,309,600,192
  5. Step 5: Solve for x
    x = 145,943,380,309,600,192/440,000,117.70
  6. Step 6: Final answer
    x = 331,689,411.98

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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.