Home / 20,686,265,654,515-31,029,428,345,681-8,447,676,064,566

Finding the Fourth Proportional to 20,686,265,654,515, 31,029,428,345,681 and 8,447,676,064,566

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Solution

The fourth proportional to 20,686,265,654,515, 31,029,428,345,681 and 8,447,676,064,566 is: 12,671,526,292,410.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686,265,654,515 : 31,029,428,345,681 = 8,447,676,064,566 : x
  2. Step 2: Convert to fraction form
    20,686,265,654,515/31,029,428,345,681 = 8,447,676,064,566/x
  3. Step 3: Cross multiply
    20,686,265,654,515x = 31,029,428,345,681 × 8,447,676,064,566
  4. Step 4: Simplify right side
    20,686,265,654,515x = 262,126,559,132,975,173,088,575,488
  5. Step 5: Solve for x
    x = 262,126,559,132,975,173,088,575,488/20,686,265,654,515
  6. Step 6: Final answer
    x = 12,671,526,292,410.50

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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.