Home / 854,904,393.81-1,179,770,334.59-463,763,817.81

Finding the Fourth Proportional to 854,904,393.81, 1,179,770,334.59 and 463,763,817.81

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Solution

The fourth proportional to 854,904,393.81, 1,179,770,334.59 and 463,763,817.81 is: 639,995,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,904,393.81 : 1,179,770,334.59 = 463,763,817.81 : x
  2. Step 2: Convert to fraction form
    854,904,393.81/1,179,770,334.59 = 463,763,817.81/x
  3. Step 3: Cross multiply
    854,904,393.81x = 1,179,770,334.59 × 463,763,817.81
  4. Step 4: Simplify right side
    854,904,393.81x = 547,134,794,508,439,488
  5. Step 5: Solve for x
    x = 547,134,794,508,439,488/854,904,393.81
  6. Step 6: Final answer
    x = 639,995,300.61

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Double scale
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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.