Home / 654,740,861.05-903,407,508.44-376,228,576.18

Finding the Fourth Proportional to 654,740,861.05, 903,407,508.44 and 376,228,576.18

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Solution

The fourth proportional to 654,740,861.05, 903,407,508.44 and 376,228,576.18 is: 519,117,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,740,861.05 : 903,407,508.44 = 376,228,576.18 : x
  2. Step 2: Convert to fraction form
    654,740,861.05/903,407,508.44 = 376,228,576.18/x
  3. Step 3: Cross multiply
    654,740,861.05x = 903,407,508.44 × 376,228,576.18
  4. Step 4: Simplify right side
    654,740,861.05x = 339,887,720,610,702,592
  5. Step 5: Solve for x
    x = 339,887,720,610,702,592/654,740,861.05
  6. Step 6: Final answer
    x = 519,117,930.21

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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.