Home / 466,226,530.33-643,375,744.95-257,378,188.54

Finding the Fourth Proportional to 466,226,530.33, 643,375,744.95 and 257,378,188.54

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Solution

The fourth proportional to 466,226,530.33, 643,375,744.95 and 257,378,188.54 is: 355,172,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,226,530.33 : 643,375,744.95 = 257,378,188.54 : x
  2. Step 2: Convert to fraction form
    466,226,530.33/643,375,744.95 = 257,378,188.54/x
  3. Step 3: Cross multiply
    466,226,530.33x = 643,375,744.95 × 257,378,188.54
  4. Step 4: Simplify right side
    466,226,530.33x = 165,590,883,785,804,064
  5. Step 5: Solve for x
    x = 165,590,883,785,804,064/466,226,530.33
  6. Step 6: Final answer
    x = 355,172,588.89

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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.