Home / 39,196,216,459,930-54,090,503,548,614-21,397,980,520,772

Finding the Fourth Proportional to 39,196,216,459,930, 54,090,503,548,614 and 21,397,980,520,772

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Solution

The fourth proportional to 39,196,216,459,930, 54,090,503,548,614 and 21,397,980,520,772 is: 29,529,062,900,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,196,216,459,930 : 54,090,503,548,614 = 21,397,980,520,772 : x
  2. Step 2: Convert to fraction form
    39,196,216,459,930/54,090,503,548,614 = 21,397,980,520,772/x
  3. Step 3: Cross multiply
    39,196,216,459,930x = 54,090,503,548,614 × 21,397,980,520,772
  4. Step 4: Simplify right side
    39,196,216,459,930x = 1,157,427,541,291,991,067,900,510,208
  5. Step 5: Solve for x
    x = 1,157,427,541,291,991,067,900,510,208/39,196,216,459,930
  6. Step 6: Final answer
    x = 29,529,062,900,119.98

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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.