Home / 39,196,216,459,851-54,090,503,548,500-21,397,980,520,690

Finding the Fourth Proportional to 39,196,216,459,851, 54,090,503,548,500 and 21,397,980,520,690

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Solution

The fourth proportional to 39,196,216,459,851, 54,090,503,548,500 and 21,397,980,520,690 is: 29,529,062,900,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,196,216,459,851 : 54,090,503,548,500 = 21,397,980,520,690 : x
  2. Step 2: Convert to fraction form
    39,196,216,459,851/54,090,503,548,500 = 21,397,980,520,690/x
  3. Step 3: Cross multiply
    39,196,216,459,851x = 54,090,503,548,500 × 21,397,980,520,690
  4. Step 4: Simplify right side
    39,196,216,459,851x = 1,157,427,541,285,116,371,447,840,768
  5. Step 5: Solve for x
    x = 1,157,427,541,285,116,371,447,840,768/39,196,216,459,851
  6. Step 6: Final answer
    x = 29,529,062,900,004.11

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Double scale
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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.