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Finding the Fourth Proportional to 1,266,169,649.71, 1,747,411,051.41 and 796,673,412.67

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Solution

The fourth proportional to 1,266,169,649.71, 1,747,411,051.41 and 796,673,412.67 is: 1,099,470,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,169,649.71 : 1,747,411,051.41 = 796,673,412.67 : x
  2. Step 2: Convert to fraction form
    1,266,169,649.71/1,747,411,051.41 = 796,673,412.67/x
  3. Step 3: Cross multiply
    1,266,169,649.71x = 1,747,411,051.41 × 796,673,412.67
  4. Step 4: Simplify right side
    1,266,169,649.71x = 1,392,115,925,664,077,568
  5. Step 5: Solve for x
    x = 1,392,115,925,664,077,568/1,266,169,649.71
  6. Step 6: Final answer
    x = 1,099,470,300.83

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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.