Home / 404,604,490.77-558,354,190.34-218,965,506.46

Finding the Fourth Proportional to 404,604,490.77, 558,354,190.34 and 218,965,506.46

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Solution

The fourth proportional to 404,604,490.77, 558,354,190.34 and 218,965,506.46 is: 302,172,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,604,490.77 : 558,354,190.34 = 218,965,506.46 : x
  2. Step 2: Convert to fraction form
    404,604,490.77/558,354,190.34 = 218,965,506.46/x
  3. Step 3: Cross multiply
    404,604,490.77x = 558,354,190.34 × 218,965,506.46
  4. Step 4: Simplify right side
    404,604,490.77x = 122,260,308,071,012,864
  5. Step 5: Solve for x
    x = 122,260,308,071,012,864/404,604,490.77
  6. Step 6: Final answer
    x = 302,172,395.17

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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.