Home / 443,467,056.89-611,988,501.89-245,241,887.58

Finding the Fourth Proportional to 443,467,056.89, 611,988,501.89 and 245,241,887.58

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Solution

The fourth proportional to 443,467,056.89, 611,988,501.89 and 245,241,887.58 is: 338,435,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,467,056.89 : 611,988,501.89 = 245,241,887.58 : x
  2. Step 2: Convert to fraction form
    443,467,056.89/611,988,501.89 = 245,241,887.58/x
  3. Step 3: Cross multiply
    443,467,056.89x = 611,988,501.89 × 245,241,887.58
  4. Step 4: Simplify right side
    443,467,056.89x = 150,085,215,381,373,120
  5. Step 5: Solve for x
    x = 150,085,215,381,373,120/443,467,056.89
  6. Step 6: Final answer
    x = 338,435,996.65

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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.