Home / 14,217,794,786-19,620,622,348.88-7,874,029,627.20

Finding the Fourth Proportional to 14,217,794,786, 19,620,622,348.88 and 7,874,029,627.20

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Solution

The fourth proportional to 14,217,794,786, 19,620,622,348.88 and 7,874,029,627.20 is: 10,866,197,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217,794,786 : 19,620,622,348.88 = 7,874,029,627.20 : x
  2. Step 2: Convert to fraction form
    14,217,794,786/19,620,622,348.88 = 7,874,029,627.20/x
  3. Step 3: Cross multiply
    14,217,794,786x = 19,620,622,348.88 × 7,874,029,627.20
  4. Step 4: Simplify right side
    14,217,794,786x = 154,493,361,679,183,577,088
  5. Step 5: Solve for x
    x = 154,493,361,679,183,577,088/14,217,794,786
  6. Step 6: Final answer
    x = 10,866,197,184.90

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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.