Home / 561,456,070.05-842,184,105.08-197,987,167.65

Finding the Fourth Proportional to 561,456,070.05, 842,184,105.08 and 197,987,167.65

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Solution

The fourth proportional to 561,456,070.05, 842,184,105.08 and 197,987,167.65 is: 296,980,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,456,070.05 : 842,184,105.08 = 197,987,167.65 : x
  2. Step 2: Convert to fraction form
    561,456,070.05/842,184,105.08 = 197,987,167.65/x
  3. Step 3: Cross multiply
    561,456,070.05x = 842,184,105.08 × 197,987,167.65
  4. Step 4: Simplify right side
    561,456,070.05x = 166,741,645,603,649,248
  5. Step 5: Solve for x
    x = 166,741,645,603,649,248/561,456,070.05
  6. Step 6: Final answer
    x = 296,980,751.48

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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.