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Finding the Fourth Proportional to 10,992,028,128.90, 16,488,042,193.35 and 10,992,028,128.90

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Solution

The fourth proportional to 10,992,028,128.90, 16,488,042,193.35 and 10,992,028,128.90 is: 16,488,042,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,028,128.90 : 16,488,042,193.35 = 10,992,028,128.90 : x
  2. Step 2: Convert to fraction form
    10,992,028,128.90/16,488,042,193.35 = 10,992,028,128.90/x
  3. Step 3: Cross multiply
    10,992,028,128.90x = 16,488,042,193.35 × 10,992,028,128.90
  4. Step 4: Simplify right side
    10,992,028,128.90x = 181,237,023,579,793,260,544
  5. Step 5: Solve for x
    x = 181,237,023,579,793,260,544/10,992,028,128.90
  6. Step 6: Final answer
    x = 16,488,042,193.35

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Double scale
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1.5x scale

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.