Home / 602,074,820.45-831,219,470.30-379,247,504.94

Finding the Fourth Proportional to 602,074,820.45, 831,219,470.30 and 379,247,504.94

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Solution

The fourth proportional to 602,074,820.45, 831,219,470.30 and 379,247,504.94 is: 523,585,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,074,820.45 : 831,219,470.30 = 379,247,504.94 : x
  2. Step 2: Convert to fraction form
    602,074,820.45/831,219,470.30 = 379,247,504.94/x
  3. Step 3: Cross multiply
    602,074,820.45x = 831,219,470.30 × 379,247,504.94
  4. Step 4: Simplify right side
    602,074,820.45x = 315,237,910,169,771,584
  5. Step 5: Solve for x
    x = 315,237,910,169,771,584/602,074,820.45
  6. Step 6: Final answer
    x = 523,585,938.93

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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.