Home / 20,728,623,566,796-28,591,726,676,300-13,330,409,439,646

Finding the Fourth Proportional to 20,728,623,566,796, 28,591,726,676,300 and 13,330,409,439,646

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Solution

The fourth proportional to 20,728,623,566,796, 28,591,726,676,300 and 13,330,409,439,646 is: 18,387,107,178,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,728,623,566,796 : 28,591,726,676,300 = 13,330,409,439,646 : x
  2. Step 2: Convert to fraction form
    20,728,623,566,796/28,591,726,676,300 = 13,330,409,439,646/x
  3. Step 3: Cross multiply
    20,728,623,566,796x = 28,591,726,676,300 × 13,330,409,439,646
  4. Step 4: Simplify right side
    20,728,623,566,796x = 381,139,423,181,527,848,990,015,488
  5. Step 5: Solve for x
    x = 381,139,423,181,527,848,990,015,488/20,728,623,566,796
  6. Step 6: Final answer
    x = 18,387,107,178,310.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.