Home / 7,448,323,138.92-10,279,144,725.30-4,106,811,087.72

Finding the Fourth Proportional to 7,448,323,138.92, 10,279,144,725.30 and 4,106,811,087.72

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Solution

The fourth proportional to 7,448,323,138.92, 10,279,144,725.30 and 4,106,811,087.72 is: 5,667,652,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448,323,138.92 : 10,279,144,725.30 = 4,106,811,087.72 : x
  2. Step 2: Convert to fraction form
    7,448,323,138.92/10,279,144,725.30 = 4,106,811,087.72/x
  3. Step 3: Cross multiply
    7,448,323,138.92x = 10,279,144,725.30 × 4,106,811,087.72
  4. Step 4: Simplify right side
    7,448,323,138.92x = 42,214,505,530,140,590,080
  5. Step 5: Solve for x
    x = 42,214,505,530,140,590,080/7,448,323,138.92
  6. Step 6: Final answer
    x = 5,667,652,267.87

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Double scale
Find fourth proportional to 7,448,323,139.92, 10,279,144,726.68 and 4,106,811,088.72
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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.