Home / 398,614,434.72-597,716,832.24-180,146,444.64

Finding the Fourth Proportional to 398,614,434.72, 597,716,832.24 and 180,146,444.64

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Solution

The fourth proportional to 398,614,434.72, 597,716,832.24 and 180,146,444.64 is: 270,127,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,614,434.72 : 597,716,832.24 = 180,146,444.64 : x
  2. Step 2: Convert to fraction form
    398,614,434.72/597,716,832.24 = 180,146,444.64/x
  3. Step 3: Cross multiply
    398,614,434.72x = 597,716,832.24 × 180,146,444.64
  4. Step 4: Simplify right side
    398,614,434.72x = 107,676,562,229,519,328
  5. Step 5: Solve for x
    x = 107,676,562,229,519,328/398,614,434.72
  6. Step 6: Final answer
    x = 270,127,102.41

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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.