Home / 14,589,421,498.80-20,133,418,886.90-7,906,418,063.55

Finding the Fourth Proportional to 14,589,421,498.80, 20,133,418,886.90 and 7,906,418,063.55

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Solution

The fourth proportional to 14,589,421,498.80, 20,133,418,886.90 and 7,906,418,063.55 is: 10,910,866,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589,421,498.80 : 20,133,418,886.90 = 7,906,418,063.55 : x
  2. Step 2: Convert to fraction form
    14,589,421,498.80/20,133,418,886.90 = 7,906,418,063.55/x
  3. Step 3: Cross multiply
    14,589,421,498.80x = 20,133,418,886.90 × 7,906,418,063.55
  4. Step 4: Simplify right side
    14,589,421,498.80x = 159,183,226,768,389,079,040
  5. Step 5: Solve for x
    x = 159,183,226,768,389,079,040/14,589,421,498.80
  6. Step 6: Final answer
    x = 10,910,866,258.92

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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.