Home / 466,226,531.33-643,375,746.33-257,378,189.54

Finding the Fourth Proportional to 466,226,531.33, 643,375,746.33 and 257,378,189.54

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Solution

The fourth proportional to 466,226,531.33, 643,375,746.33 and 257,378,189.54 is: 355,172,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,226,531.33 : 643,375,746.33 = 257,378,189.54 : x
  2. Step 2: Convert to fraction form
    466,226,531.33/643,375,746.33 = 257,378,189.54/x
  3. Step 3: Cross multiply
    466,226,531.33x = 643,375,746.33 × 257,378,189.54
  4. Step 4: Simplify right side
    466,226,531.33x = 165,590,884,784,361,696
  5. Step 5: Solve for x
    x = 165,590,884,784,361,696/466,226,531.33
  6. Step 6: Final answer
    x = 355,172,590.27

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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.