Home / 404,572,541.46-558,310,107.39-218,933,557.20

Finding the Fourth Proportional to 404,572,541.46, 558,310,107.39 and 218,933,557.20

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Solution

The fourth proportional to 404,572,541.46, 558,310,107.39 and 218,933,557.20 is: 302,128,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,572,541.46 : 558,310,107.39 = 218,933,557.20 : x
  2. Step 2: Convert to fraction form
    404,572,541.46/558,310,107.39 = 218,933,557.20/x
  3. Step 3: Cross multiply
    404,572,541.46x = 558,310,107.39 × 218,933,557.20
  4. Step 4: Simplify right side
    404,572,541.46x = 122,232,817,831,606,704
  5. Step 5: Solve for x
    x = 122,232,817,831,606,704/404,572,541.46
  6. Step 6: Final answer
    x = 302,128,309.03

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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.