Home / 268,638,593.80-402,286,044.30-214,890,881.80

Finding the Fourth Proportional to 268,638,593.80, 402,286,044.30 and 214,890,881.80

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Solution

The fourth proportional to 268,638,593.80, 402,286,044.30 and 214,890,881.80 is: 321,798,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,638,593.80 : 402,286,044.30 = 214,890,881.80 : x
  2. Step 2: Convert to fraction form
    268,638,593.80/402,286,044.30 = 214,890,881.80/x
  3. Step 3: Cross multiply
    268,638,593.80x = 402,286,044.30 × 214,890,881.80
  4. Step 4: Simplify right side
    268,638,593.80x = 86,447,602,795,460,864
  5. Step 5: Solve for x
    x = 86,447,602,795,460,864/268,638,593.80
  6. Step 6: Final answer
    x = 321,798,895.58

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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.