Home / 763,436,683.36-1,143,021,497.46-412,425,217

Finding the Fourth Proportional to 763,436,683.36, 1,143,021,497.46 and 412,425,217

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Solution

The fourth proportional to 763,436,683.36, 1,143,021,497.46 and 412,425,217 is: 617,485,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,436,683.36 : 1,143,021,497.46 = 412,425,217 : x
  2. Step 2: Convert to fraction form
    763,436,683.36/1,143,021,497.46 = 412,425,217/x
  3. Step 3: Cross multiply
    763,436,683.36x = 1,143,021,497.46 × 412,425,217
  4. Step 4: Simplify right side
    763,436,683.36x = 471,410,889,125,605,440
  5. Step 5: Solve for x
    x = 471,410,889,125,605,440/763,436,683.36
  6. Step 6: Final answer
    x = 617,485,247.17

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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.