Home / 502,532,828.74-693,485,358.87-279,509,712.94

Finding the Fourth Proportional to 502,532,828.74, 693,485,358.87 and 279,509,712.94

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Solution

The fourth proportional to 502,532,828.74, 693,485,358.87 and 279,509,712.94 is: 385,717,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,532,828.74 : 693,485,358.87 = 279,509,712.94 : x
  2. Step 2: Convert to fraction form
    502,532,828.74/693,485,358.87 = 279,509,712.94/x
  3. Step 3: Cross multiply
    502,532,828.74x = 693,485,358.87 × 279,509,712.94
  4. Step 4: Simplify right side
    502,532,828.74x = 193,835,893,585,846,592
  5. Step 5: Solve for x
    x = 193,835,893,585,846,592/502,532,828.74
  6. Step 6: Final answer
    x = 385,717,872.55

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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.