Home / 379,256,855.80-523,416,935.46-214,255,054.12

Finding the Fourth Proportional to 379,256,855.80, 523,416,935.46 and 214,255,054.12

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Solution

The fourth proportional to 379,256,855.80, 523,416,935.46 and 214,255,054.12 is: 295,695,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,256,855.80 : 523,416,935.46 = 214,255,054.12 : x
  2. Step 2: Convert to fraction form
    379,256,855.80/523,416,935.46 = 214,255,054.12/x
  3. Step 3: Cross multiply
    379,256,855.80x = 523,416,935.46 × 214,255,054.12
  4. Step 4: Simplify right side
    379,256,855.80x = 112,144,723,834,306,848
  5. Step 5: Solve for x
    x = 112,144,723,834,306,848/379,256,855.80
  6. Step 6: Final answer
    x = 295,695,969.95

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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.