Home / 404,749,599.36-558,554,328.72-219,110,477.28

Finding the Fourth Proportional to 404,749,599.36, 558,554,328.72 and 219,110,477.28

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Solution

The fourth proportional to 404,749,599.36, 558,554,328.72 and 219,110,477.28 is: 302,372,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,749,599.36 : 558,554,328.72 = 219,110,477.28 : x
  2. Step 2: Convert to fraction form
    404,749,599.36/558,554,328.72 = 219,110,477.28/x
  3. Step 3: Cross multiply
    404,749,599.36x = 558,554,328.72 × 219,110,477.28
  4. Step 4: Simplify right side
    404,749,599.36x = 122,385,105,552,649,216
  5. Step 5: Solve for x
    x = 122,385,105,552,649,216/404,749,599.36
  6. Step 6: Final answer
    x = 302,372,394.55

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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.