Home / 466,180,076.16-643,320,761.76-257,330,816.64

Finding the Fourth Proportional to 466,180,076.16, 643,320,761.76 and 257,330,816.64

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Solution

The fourth proportional to 466,180,076.16, 643,320,761.76 and 257,330,816.64 is: 355,112,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,180,076.16 : 643,320,761.76 = 257,330,816.64 : x
  2. Step 2: Convert to fraction form
    466,180,076.16/643,320,761.76 = 257,330,816.64/x
  3. Step 3: Cross multiply
    466,180,076.16x = 643,320,761.76 × 257,330,816.64
  4. Step 4: Simplify right side
    466,180,076.16x = 165,546,256,985,167,680
  5. Step 5: Solve for x
    x = 165,546,256,985,167,680/466,180,076.16
  6. Step 6: Final answer
    x = 355,112,252.65

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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.