Home / 404,573,033.16-558,310,786.47-218,934,048.78

Finding the Fourth Proportional to 404,573,033.16, 558,310,786.47 and 218,934,048.78

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Solution

The fourth proportional to 404,573,033.16, 558,310,786.47 and 218,934,048.78 is: 302,128,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,573,033.16 : 558,310,786.47 = 218,934,048.78 : x
  2. Step 2: Convert to fraction form
    404,573,033.16/558,310,786.47 = 218,934,048.78/x
  3. Step 3: Cross multiply
    404,573,033.16x = 558,310,786.47 × 218,934,048.78
  4. Step 4: Simplify right side
    404,573,033.16x = 122,233,240,959,423,152
  5. Step 5: Solve for x
    x = 122,233,240,959,423,152/404,573,033.16
  6. Step 6: Final answer
    x = 302,128,987.70

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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.