Home / 418,248,645.15-577,179,944.97-230,072,897.37

Finding the Fourth Proportional to 418,248,645.15, 577,179,944.97 and 230,072,897.37

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Solution

The fourth proportional to 418,248,645.15, 577,179,944.97 and 230,072,897.37 is: 317,498,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,248,645.15 : 577,179,944.97 = 230,072,897.37 : x
  2. Step 2: Convert to fraction form
    418,248,645.15/577,179,944.97 = 230,072,897.37/x
  3. Step 3: Cross multiply
    418,248,645.15x = 577,179,944.97 × 230,072,897.37
  4. Step 4: Simplify right side
    418,248,645.15x = 132,793,462,243,105,072
  5. Step 5: Solve for x
    x = 132,793,462,243,105,072/418,248,645.15
  6. Step 6: Final answer
    x = 317,498,846.16

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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.