Home / 722,088,208.58-996,485,705.26-392,063,347.58

Finding the Fourth Proportional to 722,088,208.58, 996,485,705.26 and 392,063,347.58

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Solution

The fourth proportional to 722,088,208.58, 996,485,705.26 and 392,063,347.58 is: 541,049,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,088,208.58 : 996,485,705.26 = 392,063,347.58 : x
  2. Step 2: Convert to fraction form
    722,088,208.58/996,485,705.26 = 392,063,347.58/x
  3. Step 3: Cross multiply
    722,088,208.58x = 996,485,705.26 × 392,063,347.58
  4. Step 4: Simplify right side
    722,088,208.58x = 390,685,521,413,890,240
  5. Step 5: Solve for x
    x = 390,685,521,413,890,240/722,088,208.58
  6. Step 6: Final answer
    x = 541,049,579.23

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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.