Home / 494,893,283.16-682,876,811.64-286,009,085.88

Finding the Fourth Proportional to 494,893,283.16, 682,876,811.64 and 286,009,085.88

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Solution

The fourth proportional to 494,893,283.16, 682,876,811.64 and 286,009,085.88 is: 394,648,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,893,283.16 : 682,876,811.64 = 286,009,085.88 : x
  2. Step 2: Convert to fraction form
    494,893,283.16/682,876,811.64 = 286,009,085.88/x
  3. Step 3: Cross multiply
    494,893,283.16x = 682,876,811.64 × 286,009,085.88
  4. Step 4: Simplify right side
    494,893,283.16x = 195,308,972,665,805,344
  5. Step 5: Solve for x
    x = 195,308,972,665,805,344/494,893,283.16
  6. Step 6: Final answer
    x = 394,648,663.28

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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.