Home / 478,503,134,164.32-717,755,916,917.16-195,521,977,867.74

Finding the Fourth Proportional to 478,503,134,164.32, 717,755,916,917.16 and 195,521,977,867.74

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Solution

The fourth proportional to 478,503,134,164.32, 717,755,916,917.16 and 195,521,977,867.74 is: 293,283,463,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,503,134,164.32 : 717,755,916,917.16 = 195,521,977,867.74 : x
  2. Step 2: Convert to fraction form
    478,503,134,164.32/717,755,916,917.16 = 195,521,977,867.74/x
  3. Step 3: Cross multiply
    478,503,134,164.32x = 717,755,916,917.16 × 195,521,977,867.74
  4. Step 4: Simplify right side
    478,503,134,164.32x = 140,337,056,501,916,395,110,400
  5. Step 5: Solve for x
    x = 140,337,056,501,916,395,110,400/478,503,134,164.32
  6. Step 6: Final answer
    x = 293,283,463,538.87

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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.