Home / 466,212,760.16-643,375,663.94-257,370,618.92

Finding the Fourth Proportional to 466,212,760.16, 643,375,663.94 and 257,370,618.92

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Solution

The fourth proportional to 466,212,760.16, 643,375,663.94 and 257,370,618.92 is: 355,172,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,212,760.16 : 643,375,663.94 = 257,370,618.92 : x
  2. Step 2: Convert to fraction form
    466,212,760.16/643,375,663.94 = 257,370,618.92/x
  3. Step 3: Cross multiply
    466,212,760.16x = 643,375,663.94 × 257,370,618.92
  4. Step 4: Simplify right side
    466,212,760.16x = 165,585,992,826,799,200
  5. Step 5: Solve for x
    x = 165,585,992,826,799,200/466,212,760.16
  6. Step 6: Final answer
    x = 355,172,588.52

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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.