Home / 404,835,912.72-558,673,823.16-219,197,054.16

Finding the Fourth Proportional to 404,835,912.72, 558,673,823.16 and 219,197,054.16

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Solution

The fourth proportional to 404,835,912.72, 558,673,823.16 and 219,197,054.16 is: 302,492,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,835,912.72 : 558,673,823.16 = 219,197,054.16 : x
  2. Step 2: Convert to fraction form
    404,835,912.72/558,673,823.16 = 219,197,054.16/x
  3. Step 3: Cross multiply
    404,835,912.72x = 558,673,823.16 × 219,197,054.16
  4. Step 4: Simplify right side
    404,835,912.72x = 122,459,656,272,976,768
  5. Step 5: Solve for x
    x = 122,459,656,272,976,768/404,835,912.72
  6. Step 6: Final answer
    x = 302,492,077.47

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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.