Home / 379,323,004.20-569,000,252.70-120,530,920.20

Finding the Fourth Proportional to 379,323,004.20, 569,000,252.70 and 120,530,920.20

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Solution

The fourth proportional to 379,323,004.20, 569,000,252.70 and 120,530,920.20 is: 180,801,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,323,004.20 : 569,000,252.70 = 120,530,920.20 : x
  2. Step 2: Convert to fraction form
    379,323,004.20/569,000,252.70 = 120,530,920.20/x
  3. Step 3: Cross multiply
    379,323,004.20x = 569,000,252.70 × 120,530,920.20
  4. Step 4: Simplify right side
    379,323,004.20x = 68,582,124,051,963,544
  5. Step 5: Solve for x
    x = 68,582,124,051,963,544/379,323,004.20
  6. Step 6: Final answer
    x = 180,801,383.76

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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.