Home / 28,376,221,751.72-42,564,373,593.15-11,588,033,013.78

Finding the Fourth Proportional to 28,376,221,751.72, 42,564,373,593.15 and 11,588,033,013.78

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Solution

The fourth proportional to 28,376,221,751.72, 42,564,373,593.15 and 11,588,033,013.78 is: 17,382,066,249.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376,221,751.72 : 42,564,373,593.15 = 11,588,033,013.78 : x
  2. Step 2: Convert to fraction form
    28,376,221,751.72/42,564,373,593.15 = 11,588,033,013.78/x
  3. Step 3: Cross multiply
    28,376,221,751.72x = 42,564,373,593.15 × 11,588,033,013.78
  4. Step 4: Simplify right side
    28,376,221,751.72x = 493,237,366,408,287,879,168
  5. Step 5: Solve for x
    x = 493,237,366,408,287,879,168/28,376,221,751.72
  6. Step 6: Final answer
    x = 17,382,066,249.83

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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.