Home / 517,268,722.64-776,005,297.08-189,747,276.80

Finding the Fourth Proportional to 517,268,722.64, 776,005,297.08 and 189,747,276.80

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Solution

The fourth proportional to 517,268,722.64, 776,005,297.08 and 189,747,276.80 is: 284,658,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,268,722.64 : 776,005,297.08 = 189,747,276.80 : x
  2. Step 2: Convert to fraction form
    517,268,722.64/776,005,297.08 = 189,747,276.80/x
  3. Step 3: Cross multiply
    517,268,722.64x = 776,005,297.08 × 189,747,276.80
  4. Step 4: Simplify right side
    517,268,722.64x = 147,244,891,903,305,024
  5. Step 5: Solve for x
    x = 147,244,891,903,305,024/517,268,722.64
  6. Step 6: Final answer
    x = 284,658,409.56

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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.