Home / 13,590,419,873.15-18,755,360,706.92-7,568,924,311.51

Finding the Fourth Proportional to 13,590,419,873.15, 18,755,360,706.92 and 7,568,924,311.51

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Solution

The fourth proportional to 13,590,419,873.15, 18,755,360,706.92 and 7,568,924,311.51 is: 10,445,439,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,419,873.15 : 18,755,360,706.92 = 7,568,924,311.51 : x
  2. Step 2: Convert to fraction form
    13,590,419,873.15/18,755,360,706.92 = 7,568,924,311.51/x
  3. Step 3: Cross multiply
    13,590,419,873.15x = 18,755,360,706.92 × 7,568,924,311.51
  4. Step 4: Simplify right side
    13,590,419,873.15x = 141,957,905,625,661,440,000
  5. Step 5: Solve for x
    x = 141,957,905,625,661,440,000/13,590,419,873.15
  6. Step 6: Final answer
    x = 10,445,439,283.75

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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.