Home / 439,902,872.11-660,430,994.86-294,984,889.82

Finding the Fourth Proportional to 439,902,872.11, 660,430,994.86 and 294,984,889.82

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Solution

The fourth proportional to 439,902,872.11, 660,430,994.86 and 294,984,889.82 is: 442,864,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,902,872.11 : 660,430,994.86 = 294,984,889.82 : x
  2. Step 2: Convert to fraction form
    439,902,872.11/660,430,994.86 = 294,984,889.82/x
  3. Step 3: Cross multiply
    439,902,872.11x = 660,430,994.86 × 294,984,889.82
  4. Step 4: Simplify right side
    439,902,872.11x = 194,817,164,252,490,080
  5. Step 5: Solve for x
    x = 194,817,164,252,490,080/439,902,872.11
  6. Step 6: Final answer
    x = 442,864,042.51

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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.