Home / 320,482,005.80-480,723,008.70-115,936,269.80

Finding the Fourth Proportional to 320,482,005.80, 480,723,008.70 and 115,936,269.80

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Solution

The fourth proportional to 320,482,005.80, 480,723,008.70 and 115,936,269.80 is: 173,904,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,482,005.80 : 480,723,008.70 = 115,936,269.80 : x
  2. Step 2: Convert to fraction form
    320,482,005.80/480,723,008.70 = 115,936,269.80/x
  3. Step 3: Cross multiply
    320,482,005.80x = 480,723,008.70 × 115,936,269.80
  4. Step 4: Simplify right side
    320,482,005.80x = 55,733,232,435,710,944
  5. Step 5: Solve for x
    x = 55,733,232,435,710,944/320,482,005.80
  6. Step 6: Final answer
    x = 173,904,404.70

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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.