Home / 10,900,733,665.92-15,045,811,358.88-7,099,728,379.79

Finding the Fourth Proportional to 10,900,733,665.92, 15,045,811,358.88 and 7,099,728,379.79

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Solution

The fourth proportional to 10,900,733,665.92, 15,045,811,358.88 and 7,099,728,379.79 is: 9,799,448,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,733,665.92 : 15,045,811,358.88 = 7,099,728,379.79 : x
  2. Step 2: Convert to fraction form
    10,900,733,665.92/15,045,811,358.88 = 7,099,728,379.79/x
  3. Step 3: Cross multiply
    10,900,733,665.92x = 15,045,811,358.88 × 7,099,728,379.79
  4. Step 4: Simplify right side
    10,900,733,665.92x = 106,821,173,901,531,840,512
  5. Step 5: Solve for x
    x = 106,821,173,901,531,840,512/10,900,733,665.92
  6. Step 6: Final answer
    x = 9,799,448,108.30

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Double scale
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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.