Home / 39,196,216,459,931-54,090,503,548,615-21,397,980,520,773

Finding the Fourth Proportional to 39,196,216,459,931, 54,090,503,548,615 and 21,397,980,520,773

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Solution

The fourth proportional to 39,196,216,459,931, 54,090,503,548,615 and 21,397,980,520,773 is: 29,529,062,900,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,196,216,459,931 : 54,090,503,548,615 = 21,397,980,520,773 : x
  2. Step 2: Convert to fraction form
    39,196,216,459,931/54,090,503,548,615 = 21,397,980,520,773/x
  3. Step 3: Cross multiply
    39,196,216,459,931x = 54,090,503,548,615 × 21,397,980,520,773
  4. Step 4: Simplify right side
    39,196,216,459,931x = 1,157,427,541,292,066,659,324,919,808
  5. Step 5: Solve for x
    x = 1,157,427,541,292,066,659,324,919,808/39,196,216,459,931
  6. Step 6: Final answer
    x = 29,529,062,900,121.16

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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.