Home / 499,949,084.17-689,929,677.05-299,005,927.52

Finding the Fourth Proportional to 499,949,084.17, 689,929,677.05 and 299,005,927.52

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Solution

The fourth proportional to 499,949,084.17, 689,929,677.05 and 299,005,927.52 is: 412,628,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,949,084.17 : 689,929,677.05 = 299,005,927.52 : x
  2. Step 2: Convert to fraction form
    499,949,084.17/689,929,677.05 = 299,005,927.52/x
  3. Step 3: Cross multiply
    499,949,084.17x = 689,929,677.05 × 299,005,927.52
  4. Step 4: Simplify right side
    499,949,084.17x = 206,293,063,004,964,608
  5. Step 5: Solve for x
    x = 206,293,063,004,964,608/499,949,084.17
  6. Step 6: Final answer
    x = 412,628,144.62

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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.