Home / 20,686,265,654,513-31,029,428,345,678-8,447,676,064,564.80

Finding the Fourth Proportional to 20,686,265,654,513, 31,029,428,345,678 and 8,447,676,064,564.80

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Solution

The fourth proportional to 20,686,265,654,513, 31,029,428,345,678 and 8,447,676,064,564.80 is: 12,671,526,292,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686,265,654,513 : 31,029,428,345,678 = 8,447,676,064,564.80 : x
  2. Step 2: Convert to fraction form
    20,686,265,654,513/31,029,428,345,678 = 8,447,676,064,564.80/x
  3. Step 3: Cross multiply
    20,686,265,654,513x = 31,029,428,345,678 × 8,447,676,064,564.80
  4. Step 4: Simplify right side
    20,686,265,654,513x = 262,126,559,132,912,569,645,268,992
  5. Step 5: Solve for x
    x = 262,126,559,132,912,569,645,268,992/20,686,265,654,513
  6. Step 6: Final answer
    x = 12,671,526,292,408.70

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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.