Home / 459,936,205.80-689,904,308.70-414,586,573.80

Finding the Fourth Proportional to 459,936,205.80, 689,904,308.70 and 414,586,573.80

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Solution

The fourth proportional to 459,936,205.80, 689,904,308.70 and 414,586,573.80 is: 621,879,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,936,205.80 : 689,904,308.70 = 414,586,573.80 : x
  2. Step 2: Convert to fraction form
    459,936,205.80/689,904,308.70 = 414,586,573.80/x
  3. Step 3: Cross multiply
    459,936,205.80x = 689,904,308.70 × 414,586,573.80
  4. Step 4: Simplify right side
    459,936,205.80x = 286,025,063,593,790,560
  5. Step 5: Solve for x
    x = 286,025,063,593,790,560/459,936,205.80
  6. Step 6: Final answer
    x = 621,879,860.70

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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.