Home / 466,157,528.33-643,297,288.43-257,313,616.97

Finding the Fourth Proportional to 466,157,528.33, 643,297,288.43 and 257,313,616.97

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Solution

The fourth proportional to 466,157,528.33, 643,297,288.43 and 257,313,616.97 is: 355,092,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,157,528.33 : 643,297,288.43 = 257,313,616.97 : x
  2. Step 2: Convert to fraction form
    466,157,528.33/643,297,288.43 = 257,313,616.97/x
  3. Step 3: Cross multiply
    466,157,528.33x = 643,297,288.43 × 257,313,616.97
  4. Step 4: Simplify right side
    466,157,528.33x = 165,529,152,070,343,424
  5. Step 5: Solve for x
    x = 165,529,152,070,343,424/466,157,528.33
  6. Step 6: Final answer
    x = 355,092,735.85

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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.