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Finding the Fourth Proportional to 17,387,964,429.30, 26,081,946,643.95 and 17,387,964,429.30

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Solution

The fourth proportional to 17,387,964,429.30, 26,081,946,643.95 and 17,387,964,429.30 is: 26,081,946,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387,964,429.30 : 26,081,946,643.95 = 17,387,964,429.30 : x
  2. Step 2: Convert to fraction form
    17,387,964,429.30/26,081,946,643.95 = 17,387,964,429.30/x
  3. Step 3: Cross multiply
    17,387,964,429.30x = 26,081,946,643.95 × 17,387,964,429.30
  4. Step 4: Simplify right side
    17,387,964,429.30x = 453,511,960,491,903,090,688
  5. Step 5: Solve for x
    x = 453,511,960,491,903,090,688/17,387,964,429.30
  6. Step 6: Final answer
    x = 26,081,946,643.95

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.