Home / 20,686,265,659,256-31,029,428,352,784-8,447,676,069,299.20

Finding the Fourth Proportional to 20,686,265,659,256, 31,029,428,352,784 and 8,447,676,069,299.20

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Solution

The fourth proportional to 20,686,265,659,256, 31,029,428,352,784 and 8,447,676,069,299.20 is: 12,671,526,299,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686,265,659,256 : 31,029,428,352,784 = 8,447,676,069,299.20 : x
  2. Step 2: Convert to fraction form
    20,686,265,659,256/31,029,428,352,784 = 8,447,676,069,299.20/x
  3. Step 3: Cross multiply
    20,686,265,659,256x = 31,029,428,352,784 × 8,447,676,069,299.20
  4. Step 4: Simplify right side
    20,686,265,659,256x = 262,126,559,339,847,495,580,647,424
  5. Step 5: Solve for x
    x = 262,126,559,339,847,495,580,647,424/20,686,265,659,256
  6. Step 6: Final answer
    x = 12,671,526,299,506.83

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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.