Home / 493,543,428.84-735,902,738.07-479,983,711.72

Finding the Fourth Proportional to 493,543,428.84, 735,902,738.07 and 479,983,711.72

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Solution

The fourth proportional to 493,543,428.84, 735,902,738.07 and 479,983,711.72 is: 715,684,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,543,428.84 : 735,902,738.07 = 479,983,711.72 : x
  2. Step 2: Convert to fraction form
    493,543,428.84/735,902,738.07 = 479,983,711.72/x
  3. Step 3: Cross multiply
    493,543,428.84x = 735,902,738.07 × 479,983,711.72
  4. Step 4: Simplify right side
    493,543,428.84x = 353,221,327,683,749,568
  5. Step 5: Solve for x
    x = 353,221,327,683,749,568/493,543,428.84
  6. Step 6: Final answer
    x = 715,684,389.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.