Home / 9,629,799,919.19-13,289,231,622.39-5,343,090,856.67

Finding the Fourth Proportional to 9,629,799,919.19, 13,289,231,622.39 and 5,343,090,856.67

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Solution

The fourth proportional to 9,629,799,919.19, 13,289,231,622.39 and 5,343,090,856.67 is: 7,373,525,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629,799,919.19 : 13,289,231,622.39 = 5,343,090,856.67 : x
  2. Step 2: Convert to fraction form
    9,629,799,919.19/13,289,231,622.39 = 5,343,090,856.67/x
  3. Step 3: Cross multiply
    9,629,799,919.19x = 13,289,231,622.39 × 5,343,090,856.67
  4. Step 4: Simplify right side
    9,629,799,919.19x = 71,005,571,973,761,835,008
  5. Step 5: Solve for x
    x = 71,005,571,973,761,835,008/9,629,799,919.19
  6. Step 6: Final answer
    x = 7,373,525,158.32

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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.