Home / 8,628,531,934.72-11,915,597,805.60-8,158,455,016.96

Finding the Fourth Proportional to 8,628,531,934.72, 11,915,597,805.60 and 8,158,455,016.96

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Solution

The fourth proportional to 8,628,531,934.72, 11,915,597,805.60 and 8,158,455,016.96 is: 11,266,443,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628,531,934.72 : 11,915,597,805.60 = 8,158,455,016.96 : x
  2. Step 2: Convert to fraction form
    8,628,531,934.72/11,915,597,805.60 = 8,158,455,016.96/x
  3. Step 3: Cross multiply
    8,628,531,934.72x = 11,915,597,805.60 × 8,158,455,016.96
  4. Step 4: Simplify right side
    8,628,531,934.72x = 97,212,868,697,174,884,352
  5. Step 5: Solve for x
    x = 97,212,868,697,174,884,352/8,628,531,934.72
  6. Step 6: Final answer
    x = 11,266,443,635.21

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1.5x scale

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.