Home / 480,305,440.80-662,892,588.72-304,109,814.96

Finding the Fourth Proportional to 480,305,440.80, 662,892,588.72 and 304,109,814.96

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Solution

The fourth proportional to 480,305,440.80, 662,892,588.72 and 304,109,814.96 is: 419,716,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,305,440.80 : 662,892,588.72 = 304,109,814.96 : x
  2. Step 2: Convert to fraction form
    480,305,440.80/662,892,588.72 = 304,109,814.96/x
  3. Step 3: Cross multiply
    480,305,440.80x = 662,892,588.72 × 304,109,814.96
  4. Step 4: Simplify right side
    480,305,440.80x = 201,592,142,493,994,592
  5. Step 5: Solve for x
    x = 201,592,142,493,994,592/480,305,440.80
  6. Step 6: Final answer
    x = 419,716,549.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.