Home / 808,441,992,069.80-1,212,662,988,104.70-212,262,124,908.20

Finding the Fourth Proportional to 808,441,992,069.80, 1,212,662,988,104.70 and 212,262,124,908.20

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Solution

The fourth proportional to 808,441,992,069.80, 1,212,662,988,104.70 and 212,262,124,908.20 is: 318,393,187,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,441,992,069.80 : 1,212,662,988,104.70 = 212,262,124,908.20 : x
  2. Step 2: Convert to fraction form
    808,441,992,069.80/1,212,662,988,104.70 = 212,262,124,908.20/x
  3. Step 3: Cross multiply
    808,441,992,069.80x = 1,212,662,988,104.70 × 212,262,124,908.20
  4. Step 4: Simplify right side
    808,441,992,069.80x = 257,402,422,652,630,902,767,616
  5. Step 5: Solve for x
    x = 257,402,422,652,630,902,767,616/808,441,992,069.80
  6. Step 6: Final answer
    x = 318,393,187,362.30

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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.