Home / 808,441,992,003.30-1,212,662,988,004.90-212,262,124,841.70

Finding the Fourth Proportional to 808,441,992,003.30, 1,212,662,988,004.90 and 212,262,124,841.70

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Solution

The fourth proportional to 808,441,992,003.30, 1,212,662,988,004.90 and 212,262,124,841.70 is: 318,393,187,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,441,992,003.30 : 1,212,662,988,004.90 = 212,262,124,841.70 : x
  2. Step 2: Convert to fraction form
    808,441,992,003.30/1,212,662,988,004.90 = 212,262,124,841.70/x
  3. Step 3: Cross multiply
    808,441,992,003.30x = 1,212,662,988,004.90 × 212,262,124,841.70
  4. Step 4: Simplify right side
    808,441,992,003.30x = 257,402,422,550,805,012,807,680
  5. Step 5: Solve for x
    x = 257,402,422,550,805,012,807,680/808,441,992,003.30
  6. Step 6: Final answer
    x = 318,393,187,262.54

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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.