Home / 435,461,942.70-653,491,512.45-193,298,640.30

Finding the Fourth Proportional to 435,461,942.70, 653,491,512.45 and 193,298,640.30

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Solution

The fourth proportional to 435,461,942.70, 653,491,512.45 and 193,298,640.30 is: 290,080,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,461,942.70 : 653,491,512.45 = 193,298,640.30 : x
  2. Step 2: Convert to fraction form
    435,461,942.70/653,491,512.45 = 193,298,640.30/x
  3. Step 3: Cross multiply
    435,461,942.70x = 653,491,512.45 × 193,298,640.30
  4. Step 4: Simplify right side
    435,461,942.70x = 126,319,020,804,175,536
  5. Step 5: Solve for x
    x = 126,319,020,804,175,536/435,461,942.70
  6. Step 6: Final answer
    x = 290,080,506.28

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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.