Home / 629,608,820.59-868,855,317.62-347,363,156.62

Finding the Fourth Proportional to 629,608,820.59, 868,855,317.62 and 347,363,156.62

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Solution

The fourth proportional to 629,608,820.59, 868,855,317.62 and 347,363,156.62 is: 479,358,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,608,820.59 : 868,855,317.62 = 347,363,156.62 : x
  2. Step 2: Convert to fraction form
    629,608,820.59/868,855,317.62 = 347,363,156.62/x
  3. Step 3: Cross multiply
    629,608,820.59x = 868,855,317.62 × 347,363,156.62
  4. Step 4: Simplify right side
    629,608,820.59x = 301,808,325,774,555,904
  5. Step 5: Solve for x
    x = 301,808,325,774,555,904/629,608,820.59
  6. Step 6: Final answer
    x = 479,358,477.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.