Home / 404,572,756.80-558,310,405.29-218,933,772.48

Finding the Fourth Proportional to 404,572,756.80, 558,310,405.29 and 218,933,772.48

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Solution

The fourth proportional to 404,572,756.80, 558,310,405.29 and 218,933,772.48 is: 302,128,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,572,756.80 : 558,310,405.29 = 218,933,772.48 : x
  2. Step 2: Convert to fraction form
    404,572,756.80/558,310,405.29 = 218,933,772.48/x
  3. Step 3: Cross multiply
    404,572,756.80x = 558,310,405.29 × 218,933,772.48
  4. Step 4: Simplify right side
    404,572,756.80x = 122,233,003,244,977,440
  5. Step 5: Solve for x
    x = 122,233,003,244,977,440/404,572,756.80
  6. Step 6: Final answer
    x = 302,128,606.51

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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.