Home / 1,259,011,612.20-1,737,405,342.72-694,484,133.48

Finding the Fourth Proportional to 1,259,011,612.20, 1,737,405,342.72 and 694,484,133.48

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Solution

The fourth proportional to 1,259,011,612.20, 1,737,405,342.72 and 694,484,133.48 is: 958,371,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,011,612.20 : 1,737,405,342.72 = 694,484,133.48 : x
  2. Step 2: Convert to fraction form
    1,259,011,612.20/1,737,405,342.72 = 694,484,133.48/x
  3. Step 3: Cross multiply
    1,259,011,612.20x = 1,737,405,342.72 × 694,484,133.48
  4. Step 4: Simplify right side
    1,259,011,612.20x = 1,206,600,443,942,421,760
  5. Step 5: Solve for x
    x = 1,206,600,443,942,421,760/1,259,011,612.20
  6. Step 6: Final answer
    x = 958,371,179.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.