Home / 435,458,212.20-653,485,916.70-193,294,909.80

Finding the Fourth Proportional to 435,458,212.20, 653,485,916.70 and 193,294,909.80

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Solution

The fourth proportional to 435,458,212.20, 653,485,916.70 and 193,294,909.80 is: 290,074,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,458,212.20 : 653,485,916.70 = 193,294,909.80 : x
  2. Step 2: Convert to fraction form
    435,458,212.20/653,485,916.70 = 193,294,909.80/x
  3. Step 3: Cross multiply
    435,458,212.20x = 653,485,916.70 × 193,294,909.80
  4. Step 4: Simplify right side
    435,458,212.20x = 126,315,501,324,096,832
  5. Step 5: Solve for x
    x = 126,315,501,324,096,832/435,458,212.20
  6. Step 6: Final answer
    x = 290,074,909.11

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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.