Home / 459,923,617.16-689,846,562.54-149,024,652.68

Finding the Fourth Proportional to 459,923,617.16, 689,846,562.54 and 149,024,652.68

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Solution

The fourth proportional to 459,923,617.16, 689,846,562.54 and 149,024,652.68 is: 223,524,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,923,617.16 : 689,846,562.54 = 149,024,652.68 : x
  2. Step 2: Convert to fraction form
    459,923,617.16/689,846,562.54 = 149,024,652.68/x
  3. Step 3: Cross multiply
    459,923,617.16x = 689,846,562.54 × 149,024,652.68
  4. Step 4: Simplify right side
    459,923,617.16x = 102,804,144,385,015,392
  5. Step 5: Solve for x
    x = 102,804,144,385,015,392/459,923,617.16
  6. Step 6: Final answer
    x = 223,524,386.55

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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.