Home / 684,983,516.70-945,277,259.82-371,717,730.67

Finding the Fourth Proportional to 684,983,516.70, 945,277,259.82 and 371,717,730.67

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Solution

The fourth proportional to 684,983,516.70, 945,277,259.82 and 371,717,730.67 is: 512,970,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,983,516.70 : 945,277,259.82 = 371,717,730.67 : x
  2. Step 2: Convert to fraction form
    684,983,516.70/945,277,259.82 = 371,717,730.67/x
  3. Step 3: Cross multiply
    684,983,516.70x = 945,277,259.82 × 371,717,730.67
  4. Step 4: Simplify right side
    684,983,516.70x = 351,376,317,876,250,880
  5. Step 5: Solve for x
    x = 351,376,317,876,250,880/684,983,516.70
  6. Step 6: Final answer
    x = 512,970,472.01

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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.