Home / 320,482,006.30-480,723,009.45-115,936,270.30

Finding the Fourth Proportional to 320,482,006.30, 480,723,009.45 and 115,936,270.30

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Solution

The fourth proportional to 320,482,006.30, 480,723,009.45 and 115,936,270.30 is: 173,904,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,482,006.30 : 480,723,009.45 = 115,936,270.30 : x
  2. Step 2: Convert to fraction form
    320,482,006.30/480,723,009.45 = 115,936,270.30/x
  3. Step 3: Cross multiply
    320,482,006.30x = 480,723,009.45 × 115,936,270.30
  4. Step 4: Simplify right side
    320,482,006.30x = 55,733,232,763,024,648
  5. Step 5: Solve for x
    x = 55,733,232,763,024,648/320,482,006.30
  6. Step 6: Final answer
    x = 173,904,405.45

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1.5x scale

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.