Home / 502,532,829.74-693,485,360.25-279,509,713.94

Finding the Fourth Proportional to 502,532,829.74, 693,485,360.25 and 279,509,713.94

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Solution

The fourth proportional to 502,532,829.74, 693,485,360.25 and 279,509,713.94 is: 385,717,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,532,829.74 : 693,485,360.25 = 279,509,713.94 : x
  2. Step 2: Convert to fraction form
    502,532,829.74/693,485,360.25 = 279,509,713.94/x
  3. Step 3: Cross multiply
    502,532,829.74x = 693,485,360.25 × 279,509,713.94
  4. Step 4: Simplify right side
    502,532,829.74x = 193,835,894,665,055,360
  5. Step 5: Solve for x
    x = 193,835,894,665,055,360/502,532,829.74
  6. Step 6: Final answer
    x = 385,717,873.93

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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.