Home / 365,002,800.21-545,500,279.35-266,841,153.18

Finding the Fourth Proportional to 365,002,800.21, 545,500,279.35 and 266,841,153.18

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Solution

The fourth proportional to 365,002,800.21, 545,500,279.35 and 266,841,153.18 is: 398,796,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,002,800.21 : 545,500,279.35 = 266,841,153.18 : x
  2. Step 2: Convert to fraction form
    365,002,800.21/545,500,279.35 = 266,841,153.18/x
  3. Step 3: Cross multiply
    365,002,800.21x = 545,500,279.35 × 266,841,153.18
  4. Step 4: Simplify right side
    365,002,800.21x = 145,561,923,601,766,144
  5. Step 5: Solve for x
    x = 145,561,923,601,766,144/365,002,800.21
  6. Step 6: Final answer
    x = 398,796,731.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.