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Finding the Fourth Proportional to 504,705,374.40, 757,058,061.60 and 275,122,862.40

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Solution

The fourth proportional to 504,705,374.40, 757,058,061.60 and 275,122,862.40 is: 412,684,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,705,374.40 : 757,058,061.60 = 275,122,862.40 : x
  2. Step 2: Convert to fraction form
    504,705,374.40/757,058,061.60 = 275,122,862.40/x
  3. Step 3: Cross multiply
    504,705,374.40x = 757,058,061.60 × 275,122,862.40
  4. Step 4: Simplify right side
    504,705,374.40x = 208,283,980,910,387,520
  5. Step 5: Solve for x
    x = 208,283,980,910,387,520/504,705,374.40
  6. Step 6: Final answer
    x = 412,684,293.60

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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.