Home / 629,613,913.68-868,868,360.28-351,173,384.28

Finding the Fourth Proportional to 629,613,913.68, 868,868,360.28 and 351,173,384.28

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Solution

The fourth proportional to 629,613,913.68, 868,868,360.28 and 351,173,384.28 is: 484,619,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,613,913.68 : 868,868,360.28 = 351,173,384.28 : x
  2. Step 2: Convert to fraction form
    629,613,913.68/868,868,360.28 = 351,173,384.28/x
  3. Step 3: Cross multiply
    629,613,913.68x = 868,868,360.28 × 351,173,384.28
  4. Step 4: Simplify right side
    629,613,913.68x = 305,123,442,573,341,888
  5. Step 5: Solve for x
    x = 305,123,442,573,341,888/629,613,913.68
  6. Step 6: Final answer
    x = 484,619,916.97

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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.