Home / 375,838,769.08-518,669,295.94-217,065,942.52

Finding the Fourth Proportional to 375,838,769.08, 518,669,295.94 and 217,065,942.52

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Solution

The fourth proportional to 375,838,769.08, 518,669,295.94 and 217,065,942.52 is: 299,557,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,838,769.08 : 518,669,295.94 = 217,065,942.52 : x
  2. Step 2: Convert to fraction form
    375,838,769.08/518,669,295.94 = 217,065,942.52/x
  3. Step 3: Cross multiply
    375,838,769.08x = 518,669,295.94 × 217,065,942.52
  4. Step 4: Simplify right side
    375,838,769.08x = 112,585,439,579,400,912
  5. Step 5: Solve for x
    x = 112,585,439,579,400,912/375,838,769.08
  6. Step 6: Final answer
    x = 299,557,812.66

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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.