Home / 404,573,055.66-558,310,817.52-218,934,071.28

Finding the Fourth Proportional to 404,573,055.66, 558,310,817.52 and 218,934,071.28

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Solution

The fourth proportional to 404,573,055.66, 558,310,817.52 and 218,934,071.28 is: 302,129,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,573,055.66 : 558,310,817.52 = 218,934,071.28 : x
  2. Step 2: Convert to fraction form
    404,573,055.66/558,310,817.52 = 218,934,071.28/x
  3. Step 3: Cross multiply
    404,573,055.66x = 558,310,817.52 × 218,934,071.28
  4. Step 4: Simplify right side
    404,573,055.66x = 122,233,260,319,318,752
  5. Step 5: Solve for x
    x = 122,233,260,319,318,752/404,573,055.66
  6. Step 6: Final answer
    x = 302,129,018.75

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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.