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Finding the Fourth Proportional to 28,780,110,051.30, 43,092,680,979.15 and 28,780,110,051.30

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Solution

The fourth proportional to 28,780,110,051.30, 43,092,680,979.15 and 28,780,110,051.30 is: 43,092,680,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780,110,051.30 : 43,092,680,979.15 = 28,780,110,051.30 : x
  2. Step 2: Convert to fraction form
    28,780,110,051.30/43,092,680,979.15 = 28,780,110,051.30/x
  3. Step 3: Cross multiply
    28,780,110,051.30x = 43,092,680,979.15 × 28,780,110,051.30
  4. Step 4: Simplify right side
    28,780,110,051.30x = 1,240,212,100,985,499,156,480
  5. Step 5: Solve for x
    x = 1,240,212,100,985,499,156,480/28,780,110,051.30
  6. Step 6: Final answer
    x = 43,092,680,979.15

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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.