Home / 20,686,265,654,516-31,029,428,345,682-8,447,676,064,567

Finding the Fourth Proportional to 20,686,265,654,516, 31,029,428,345,682 and 8,447,676,064,567

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Solution

The fourth proportional to 20,686,265,654,516, 31,029,428,345,682 and 8,447,676,064,567 is: 12,671,526,292,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686,265,654,516 : 31,029,428,345,682 = 8,447,676,064,567 : x
  2. Step 2: Convert to fraction form
    20,686,265,654,516/31,029,428,345,682 = 8,447,676,064,567/x
  3. Step 3: Cross multiply
    20,686,265,654,516x = 31,029,428,345,682 × 8,447,676,064,567
  4. Step 4: Simplify right side
    20,686,265,654,516x = 262,126,559,133,014,618,068,221,952
  5. Step 5: Solve for x
    x = 262,126,559,133,014,618,068,221,952/20,686,265,654,516
  6. Step 6: Final answer
    x = 12,671,526,292,411.80

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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.