Home / 466,587,012.80-643,899,569.52-254,907,553.84

Finding the Fourth Proportional to 466,587,012.80, 643,899,569.52 and 254,907,553.84

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Solution

The fourth proportional to 466,587,012.80, 643,899,569.52 and 254,907,553.84 is: 351,777,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,587,012.80 : 643,899,569.52 = 254,907,553.84 : x
  2. Step 2: Convert to fraction form
    466,587,012.80/643,899,569.52 = 254,907,553.84/x
  3. Step 3: Cross multiply
    466,587,012.80x = 643,899,569.52 × 254,907,553.84
  4. Step 4: Simplify right side
    466,587,012.80x = 164,134,864,184,972,224
  5. Step 5: Solve for x
    x = 164,134,864,184,972,224/466,587,012.80
  6. Step 6: Final answer
    x = 351,777,609.93

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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.