Home / 1,090,849,425.75-1,636,503,944.33-353,861,784.90

Finding the Fourth Proportional to 1,090,849,425.75, 1,636,503,944.33 and 353,861,784.90

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Solution

The fourth proportional to 1,090,849,425.75, 1,636,503,944.33 and 353,861,784.90 is: 530,867,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,849,425.75 : 1,636,503,944.33 = 353,861,784.90 : x
  2. Step 2: Convert to fraction form
    1,090,849,425.75/1,636,503,944.33 = 353,861,784.90/x
  3. Step 3: Cross multiply
    1,090,849,425.75x = 1,636,503,944.33 × 353,861,784.90
  4. Step 4: Simplify right side
    1,090,849,425.75x = 579,096,206,737,388,672
  5. Step 5: Solve for x
    x = 579,096,206,737,388,672/1,090,849,425.75
  6. Step 6: Final answer
    x = 530,867,224.26

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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.