Home / 30,858,478,654,872-42,581,932,656,142-17,867,596,769,367

Finding the Fourth Proportional to 30,858,478,654,872, 42,581,932,656,142 and 17,867,596,769,367

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Solution

The fourth proportional to 30,858,478,654,872, 42,581,932,656,142 and 17,867,596,769,367 is: 24,655,680,886,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858,478,654,872 : 42,581,932,656,142 = 17,867,596,769,367 : x
  2. Step 2: Convert to fraction form
    30,858,478,654,872/42,581,932,656,142 = 17,867,596,769,367/x
  3. Step 3: Cross multiply
    30,858,478,654,872x = 42,581,932,656,142 × 17,867,596,769,367
  4. Step 4: Simplify right side
    30,858,478,654,872x = 760,836,802,360,285,962,799,415,296
  5. Step 5: Solve for x
    x = 760,836,802,360,285,962,799,415,296/30,858,478,654,872
  6. Step 6: Final answer
    x = 24,655,680,886,593.66

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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.