Home / 702,150,327.36-968,974,572.24-423,638,035.20

Finding the Fourth Proportional to 702,150,327.36, 968,974,572.24 and 423,638,035.20

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Solution

The fourth proportional to 702,150,327.36, 968,974,572.24 and 423,638,035.20 is: 584,624,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,150,327.36 : 968,974,572.24 = 423,638,035.20 : x
  2. Step 2: Convert to fraction form
    702,150,327.36/968,974,572.24 = 423,638,035.20/x
  3. Step 3: Cross multiply
    702,150,327.36x = 968,974,572.24 × 423,638,035.20
  4. Step 4: Simplify right side
    702,150,327.36x = 410,494,483,942,514,048
  5. Step 5: Solve for x
    x = 410,494,483,942,514,048/702,150,327.36
  6. Step 6: Final answer
    x = 584,624,784.68

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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.