Home / 489,812,976.01-734,448,429.11-194,408,838.96

Finding the Fourth Proportional to 489,812,976.01, 734,448,429.11 and 194,408,838.96

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Solution

The fourth proportional to 489,812,976.01, 734,448,429.11 and 194,408,838.96 is: 291,505,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,812,976.01 : 734,448,429.11 = 194,408,838.96 : x
  2. Step 2: Convert to fraction form
    489,812,976.01/734,448,429.11 = 194,408,838.96/x
  3. Step 3: Cross multiply
    489,812,976.01x = 734,448,429.11 × 194,408,838.96
  4. Step 4: Simplify right side
    489,812,976.01x = 142,783,266,376,178,960
  5. Step 5: Solve for x
    x = 142,783,266,376,178,960/489,812,976.01
  6. Step 6: Final answer
    x = 291,505,683.53

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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.