Home / 12,670,472,477.81-17,485,269,334.43-6,876,775,972.38

Finding the Fourth Proportional to 12,670,472,477.81, 17,485,269,334.43 and 6,876,775,972.38

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Solution

The fourth proportional to 12,670,472,477.81, 17,485,269,334.43 and 6,876,775,972.38 is: 9,489,960,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670,472,477.81 : 17,485,269,334.43 = 6,876,775,972.38 : x
  2. Step 2: Convert to fraction form
    12,670,472,477.81/17,485,269,334.43 = 6,876,775,972.38/x
  3. Step 3: Cross multiply
    12,670,472,477.81x = 17,485,269,334.43 × 6,876,775,972.38
  4. Step 4: Simplify right side
    12,670,472,477.81x = 120,242,280,029,636,149,248
  5. Step 5: Solve for x
    x = 120,242,280,029,636,149,248/12,670,472,477.81
  6. Step 6: Final answer
    x = 9,489,960,239.47

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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.