Home / 443,607,725.41-665,738,528.43-210,439,168.45

Finding the Fourth Proportional to 443,607,725.41, 665,738,528.43 and 210,439,168.45

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Solution

The fourth proportional to 443,607,725.41, 665,738,528.43 and 210,439,168.45 is: 315,813,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,607,725.41 : 665,738,528.43 = 210,439,168.45 : x
  2. Step 2: Convert to fraction form
    443,607,725.41/665,738,528.43 = 210,439,168.45/x
  3. Step 3: Cross multiply
    443,607,725.41x = 665,738,528.43 × 210,439,168.45
  4. Step 4: Simplify right side
    443,607,725.41x = 140,097,462,327,935,872
  5. Step 5: Solve for x
    x = 140,097,462,327,935,872/443,607,725.41
  6. Step 6: Final answer
    x = 315,813,847.02

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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.