Home / 482,145,911.28-665,502,960.24-314,907,739.20

Finding the Fourth Proportional to 482,145,911.28, 665,502,960.24 and 314,907,739.20

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Solution

The fourth proportional to 482,145,911.28, 665,502,960.24 and 314,907,739.20 is: 434,665,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,145,911.28 : 665,502,960.24 = 314,907,739.20 : x
  2. Step 2: Convert to fraction form
    482,145,911.28/665,502,960.24 = 314,907,739.20/x
  3. Step 3: Cross multiply
    482,145,911.28x = 665,502,960.24 × 314,907,739.20
  4. Step 4: Simplify right side
    482,145,911.28x = 209,572,032,640,085,888
  5. Step 5: Solve for x
    x = 209,572,032,640,085,888/482,145,911.28
  6. Step 6: Final answer
    x = 434,665,166.16

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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.