Home / 12,670,472,478.81-17,485,269,335.81-6,876,775,973.38

Finding the Fourth Proportional to 12,670,472,478.81, 17,485,269,335.81 and 6,876,775,973.38

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Solution

The fourth proportional to 12,670,472,478.81, 17,485,269,335.81 and 6,876,775,973.38 is: 9,489,960,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670,472,478.81 : 17,485,269,335.81 = 6,876,775,973.38 : x
  2. Step 2: Convert to fraction form
    12,670,472,478.81/17,485,269,335.81 = 6,876,775,973.38/x
  3. Step 3: Cross multiply
    12,670,472,478.81x = 17,485,269,335.81 × 6,876,775,973.38
  4. Step 4: Simplify right side
    12,670,472,478.81x = 120,242,280,056,576,294,912
  5. Step 5: Solve for x
    x = 120,242,280,056,576,294,912/12,670,472,478.81
  6. Step 6: Final answer
    x = 9,489,960,240.84

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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.