Home / 21,743,164,069.92-30,005,096,118.08-12,588,078,984.64

Finding the Fourth Proportional to 21,743,164,069.92, 30,005,096,118.08 and 12,588,078,984.64

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Solution

The fourth proportional to 21,743,164,069.92, 30,005,096,118.08 and 12,588,078,984.64 is: 17,371,276,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,164,069.92 : 30,005,096,118.08 = 12,588,078,984.64 : x
  2. Step 2: Convert to fraction form
    21,743,164,069.92/30,005,096,118.08 = 12,588,078,984.64/x
  3. Step 3: Cross multiply
    21,743,164,069.92x = 30,005,096,118.08 × 12,588,078,984.64
  4. Step 4: Simplify right side
    21,743,164,069.92x = 377,706,519,876,106,125,312
  5. Step 5: Solve for x
    x = 377,706,519,876,106,125,312/21,743,164,069.92
  6. Step 6: Final answer
    x = 17,371,276,722.26

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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.