Home / 728,097,551.80-1,092,146,327.70-210,544,876.60

Finding the Fourth Proportional to 728,097,551.80, 1,092,146,327.70 and 210,544,876.60

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Solution

The fourth proportional to 728,097,551.80, 1,092,146,327.70 and 210,544,876.60 is: 315,817,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,097,551.80 : 1,092,146,327.70 = 210,544,876.60 : x
  2. Step 2: Convert to fraction form
    728,097,551.80/1,092,146,327.70 = 210,544,876.60/x
  3. Step 3: Cross multiply
    728,097,551.80x = 1,092,146,327.70 × 210,544,876.60
  4. Step 4: Simplify right side
    728,097,551.80x = 229,945,813,794,739,680
  5. Step 5: Solve for x
    x = 229,945,813,794,739,680/728,097,551.80
  6. Step 6: Final answer
    x = 315,817,314.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.