Home / 317,954,312.80-476,931,469.20-266,935,976.80

Finding the Fourth Proportional to 317,954,312.80, 476,931,469.20 and 266,935,976.80

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Solution

The fourth proportional to 317,954,312.80, 476,931,469.20 and 266,935,976.80 is: 400,403,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,954,312.80 : 476,931,469.20 = 266,935,976.80 : x
  2. Step 2: Convert to fraction form
    317,954,312.80/476,931,469.20 = 266,935,976.80/x
  3. Step 3: Cross multiply
    317,954,312.80x = 476,931,469.20 × 266,935,976.80
  4. Step 4: Simplify right side
    317,954,312.80x = 127,310,167,597,561,120
  5. Step 5: Solve for x
    x = 127,310,167,597,561,120/317,954,312.80
  6. Step 6: Final answer
    x = 400,403,965.20

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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.