Home / 12,776,289,519.43-17,631,954,532.57-7,697,252,314.86

Finding the Fourth Proportional to 12,776,289,519.43, 17,631,954,532.57 and 7,697,252,314.86

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Solution

The fourth proportional to 12,776,289,519.43, 17,631,954,532.57 and 7,697,252,314.86 is: 10,622,614,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,289,519.43 : 17,631,954,532.57 = 7,697,252,314.86 : x
  2. Step 2: Convert to fraction form
    12,776,289,519.43/17,631,954,532.57 = 7,697,252,314.86/x
  3. Step 3: Cross multiply
    12,776,289,519.43x = 17,631,954,532.57 × 7,697,252,314.86
  4. Step 4: Simplify right side
    12,776,289,519.43x = 135,717,602,841,257,771,008
  5. Step 5: Solve for x
    x = 135,717,602,841,257,771,008/12,776,289,519.43
  6. Step 6: Final answer
    x = 10,622,614,855.03

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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.