Home / 445,477,944.11-612,579,043.04-386,638,141.59

Finding the Fourth Proportional to 445,477,944.11, 612,579,043.04 and 386,638,141.59

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Solution

The fourth proportional to 445,477,944.11, 612,579,043.04 and 386,638,141.59 is: 531,668,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,477,944.11 : 612,579,043.04 = 386,638,141.59 : x
  2. Step 2: Convert to fraction form
    445,477,944.11/612,579,043.04 = 386,638,141.59/x
  3. Step 3: Cross multiply
    445,477,944.11x = 612,579,043.04 × 386,638,141.59
  4. Step 4: Simplify right side
    445,477,944.11x = 236,846,422,776,032,992
  5. Step 5: Solve for x
    x = 236,846,422,776,032,992/445,477,944.11
  6. Step 6: Final answer
    x = 531,668,123.89

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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.