Home / 415,136,664.70-622,704,997.05-262,459,570.30

Finding the Fourth Proportional to 415,136,664.70, 622,704,997.05 and 262,459,570.30

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Solution

The fourth proportional to 415,136,664.70, 622,704,997.05 and 262,459,570.30 is: 393,689,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,136,664.70 : 622,704,997.05 = 262,459,570.30 : x
  2. Step 2: Convert to fraction form
    415,136,664.70/622,704,997.05 = 262,459,570.30/x
  3. Step 3: Cross multiply
    415,136,664.70x = 622,704,997.05 × 262,459,570.30
  4. Step 4: Simplify right side
    415,136,664.70x = 163,434,885,949,405,760
  5. Step 5: Solve for x
    x = 163,434,885,949,405,760/415,136,664.70
  6. Step 6: Final answer
    x = 393,689,355.45

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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.