Home / 808,217,998.80-1,212,326,998.20-349,052,974.80

Finding the Fourth Proportional to 808,217,998.80, 1,212,326,998.20 and 349,052,974.80

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Solution

The fourth proportional to 808,217,998.80, 1,212,326,998.20 and 349,052,974.80 is: 523,579,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,217,998.80 : 1,212,326,998.20 = 349,052,974.80 : x
  2. Step 2: Convert to fraction form
    808,217,998.80/1,212,326,998.20 = 349,052,974.80/x
  3. Step 3: Cross multiply
    808,217,998.80x = 1,212,326,998.20 × 349,052,974.80
  4. Step 4: Simplify right side
    808,217,998.80x = 423,166,345,152,064,256
  5. Step 5: Solve for x
    x = 423,166,345,152,064,256/808,217,998.80
  6. Step 6: Final answer
    x = 523,579,462.20

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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.