Home / 415,358,294.82-573,370,938.41-258,802,751.38

Finding the Fourth Proportional to 415,358,294.82, 573,370,938.41 and 258,802,751.38

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Solution

The fourth proportional to 415,358,294.82, 573,370,938.41 and 258,802,751.38 is: 357,257,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,358,294.82 : 573,370,938.41 = 258,802,751.38 : x
  2. Step 2: Convert to fraction form
    415,358,294.82/573,370,938.41 = 258,802,751.38/x
  3. Step 3: Cross multiply
    415,358,294.82x = 573,370,938.41 × 258,802,751.38
  4. Step 4: Simplify right side
    415,358,294.82x = 148,389,976,423,250,912
  5. Step 5: Solve for x
    x = 148,389,976,423,250,912/415,358,294.82
  6. Step 6: Final answer
    x = 357,257,765.82

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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.