Home / 199,480,788,115.66-299,698,536,761.16-127,910,524,582.45

Finding the Fourth Proportional to 199,480,788,115.66, 299,698,536,761.16 and 127,910,524,582.45

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Solution

The fourth proportional to 199,480,788,115.66, 299,698,536,761.16 and 127,910,524,582.45 is: 192,171,874,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,480,788,115.66 : 299,698,536,761.16 = 127,910,524,582.45 : x
  2. Step 2: Convert to fraction form
    199,480,788,115.66/299,698,536,761.16 = 127,910,524,582.45/x
  3. Step 3: Cross multiply
    199,480,788,115.66x = 299,698,536,761.16 × 127,910,524,582.45
  4. Step 4: Simplify right side
    199,480,788,115.66x = 38,334,597,053,712,649,158,656
  5. Step 5: Solve for x
    x = 38,334,597,053,712,649,158,656/199,480,788,115.66
  6. Step 6: Final answer
    x = 192,171,874,874.92

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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.