Home / 854,904,392.81-1,179,770,333.21-463,763,816.81

Finding the Fourth Proportional to 854,904,392.81, 1,179,770,333.21 and 463,763,816.81

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Solution

The fourth proportional to 854,904,392.81, 1,179,770,333.21 and 463,763,816.81 is: 639,995,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,904,392.81 : 1,179,770,333.21 = 463,763,816.81 : x
  2. Step 2: Convert to fraction form
    854,904,392.81/1,179,770,333.21 = 463,763,816.81/x
  3. Step 3: Cross multiply
    854,904,392.81x = 1,179,770,333.21 × 463,763,816.81
  4. Step 4: Simplify right side
    854,904,392.81x = 547,134,792,680,457,408
  5. Step 5: Solve for x
    x = 547,134,792,680,457,408/854,904,392.81
  6. Step 6: Final answer
    x = 639,995,299.22

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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.