Home / 347,745,321.70-521,617,982.55-186,502,185.70

Finding the Fourth Proportional to 347,745,321.70, 521,617,982.55 and 186,502,185.70

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Solution

The fourth proportional to 347,745,321.70, 521,617,982.55 and 186,502,185.70 is: 279,753,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,745,321.70 : 521,617,982.55 = 186,502,185.70 : x
  2. Step 2: Convert to fraction form
    347,745,321.70/521,617,982.55 = 186,502,185.70/x
  3. Step 3: Cross multiply
    347,745,321.70x = 521,617,982.55 × 186,502,185.70
  4. Step 4: Simplify right side
    347,745,321.70x = 97,282,893,845,999,456
  5. Step 5: Solve for x
    x = 97,282,893,845,999,456/347,745,321.70
  6. Step 6: Final answer
    x = 279,753,278.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.