Home / 502,369,121.84-693,269,962.88-279,346,015.07

Finding the Fourth Proportional to 502,369,121.84, 693,269,962.88 and 279,346,015.07

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Solution

The fourth proportional to 502,369,121.84, 693,269,962.88 and 279,346,015.07 is: 385,497,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,369,121.84 : 693,269,962.88 = 279,346,015.07 : x
  2. Step 2: Convert to fraction form
    502,369,121.84/693,269,962.88 = 279,346,015.07/x
  3. Step 3: Cross multiply
    502,369,121.84x = 693,269,962.88 × 279,346,015.07
  4. Step 4: Simplify right side
    502,369,121.84x = 193,662,201,498,254,816
  5. Step 5: Solve for x
    x = 193,662,201,498,254,816/502,369,121.84
  6. Step 6: Final answer
    x = 385,497,820.39

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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.