Home / 551,212,091.98-826,979,561.80-163,045,259.12

Finding the Fourth Proportional to 551,212,091.98, 826,979,561.80 and 163,045,259.12

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Solution

The fourth proportional to 551,212,091.98, 826,979,561.80 and 163,045,259.12 is: 244,615,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,212,091.98 : 826,979,561.80 = 163,045,259.12 : x
  2. Step 2: Convert to fraction form
    551,212,091.98/826,979,561.80 = 163,045,259.12/x
  3. Step 3: Cross multiply
    551,212,091.98x = 826,979,561.80 × 163,045,259.12
  4. Step 4: Simplify right side
    551,212,091.98x = 134,835,096,940,625,056
  5. Step 5: Solve for x
    x = 134,835,096,940,625,056/551,212,091.98
  6. Step 6: Final answer
    x = 244,615,636.89

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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.