Home / 466,226,518.33-643,375,728.39-257,378,176.54

Finding the Fourth Proportional to 466,226,518.33, 643,375,728.39 and 257,378,176.54

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Solution

The fourth proportional to 466,226,518.33, 643,375,728.39 and 257,378,176.54 is: 355,172,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,226,518.33 : 643,375,728.39 = 257,378,176.54 : x
  2. Step 2: Convert to fraction form
    466,226,518.33/643,375,728.39 = 257,378,176.54/x
  3. Step 3: Cross multiply
    466,226,518.33x = 643,375,728.39 × 257,378,176.54
  4. Step 4: Simplify right side
    466,226,518.33x = 165,590,871,803,112,512
  5. Step 5: Solve for x
    x = 165,590,871,803,112,512/466,226,518.33
  6. Step 6: Final answer
    x = 355,172,572.33

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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.