Home / 79,638,315,842.24-109,900,919,954.40-43,016,431,025.60

Finding the Fourth Proportional to 79,638,315,842.24, 109,900,919,954.40 and 43,016,431,025.60

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Solution

The fourth proportional to 79,638,315,842.24, 109,900,919,954.40 and 43,016,431,025.60 is: 59,362,698,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,638,315,842.24 : 109,900,919,954.40 = 43,016,431,025.60 : x
  2. Step 2: Convert to fraction form
    79,638,315,842.24/109,900,919,954.40 = 43,016,431,025.60/x
  3. Step 3: Cross multiply
    79,638,315,842.24x = 109,900,919,954.40 × 43,016,431,025.60
  4. Step 4: Simplify right side
    79,638,315,842.24x = 4,727,545,342,868,433,403,904
  5. Step 5: Solve for x
    x = 4,727,545,342,868,433,403,904/79,638,315,842.24
  6. Step 6: Final answer
    x = 59,362,698,631.57

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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.