Home / 404,503,029.76-558,210,201.60-218,859,970.56

Finding the Fourth Proportional to 404,503,029.76, 558,210,201.60 and 218,859,970.56

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Solution

The fourth proportional to 404,503,029.76, 558,210,201.60 and 218,859,970.56 is: 302,024,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,503,029.76 : 558,210,201.60 = 218,859,970.56 : x
  2. Step 2: Convert to fraction form
    404,503,029.76/558,210,201.60 = 218,859,970.56/x
  3. Step 3: Cross multiply
    404,503,029.76x = 558,210,201.60 × 218,859,970.56
  4. Step 4: Simplify right side
    404,503,029.76x = 122,169,868,288,467,664
  5. Step 5: Solve for x
    x = 122,169,868,288,467,664/404,503,029.76
  6. Step 6: Final answer
    x = 302,024,606.25

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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.