Home / 459,923,616.16-689,846,561.04-149,024,651.68

Finding the Fourth Proportional to 459,923,616.16, 689,846,561.04 and 149,024,651.68

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Solution

The fourth proportional to 459,923,616.16, 689,846,561.04 and 149,024,651.68 is: 223,524,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,923,616.16 : 689,846,561.04 = 149,024,651.68 : x
  2. Step 2: Convert to fraction form
    459,923,616.16/689,846,561.04 = 149,024,651.68/x
  3. Step 3: Cross multiply
    459,923,616.16x = 689,846,561.04 × 149,024,651.68
  4. Step 4: Simplify right side
    459,923,616.16x = 102,804,143,471,631,856
  5. Step 5: Solve for x
    x = 102,804,143,471,631,856/459,923,616.16
  6. Step 6: Final answer
    x = 223,524,385.05

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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.