Home / 453,448,489.89-625,738,786.36-252,515,728.45

Finding the Fourth Proportional to 453,448,489.89, 625,738,786.36 and 252,515,728.45

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Solution

The fourth proportional to 453,448,489.89, 625,738,786.36 and 252,515,728.45 is: 348,460,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,448,489.89 : 625,738,786.36 = 252,515,728.45 : x
  2. Step 2: Convert to fraction form
    453,448,489.89/625,738,786.36 = 252,515,728.45/x
  3. Step 3: Cross multiply
    453,448,489.89x = 625,738,786.36 × 252,515,728.45
  4. Step 4: Simplify right side
    453,448,489.89x = 158,008,885,457,114,336
  5. Step 5: Solve for x
    x = 158,008,885,457,114,336/453,448,489.89
  6. Step 6: Final answer
    x = 348,460,495.47

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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.