Home / 684,983,519.70-945,277,263.96-371,717,733.68

Finding the Fourth Proportional to 684,983,519.70, 945,277,263.96 and 371,717,733.68

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Solution

The fourth proportional to 684,983,519.70, 945,277,263.96 and 371,717,733.68 is: 512,970,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,983,519.70 : 945,277,263.96 = 371,717,733.68 : x
  2. Step 2: Convert to fraction form
    684,983,519.70/945,277,263.96 = 371,717,733.68/x
  3. Step 3: Cross multiply
    684,983,519.70x = 945,277,263.96 × 371,717,733.68
  4. Step 4: Simplify right side
    684,983,519.70x = 351,376,322,253,715,968
  5. Step 5: Solve for x
    x = 351,376,322,253,715,968/684,983,519.70
  6. Step 6: Final answer
    x = 512,970,476.15

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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.