Home / 668,566,705.70-1,002,850,058.55-515,511,697.70

Finding the Fourth Proportional to 668,566,705.70, 1,002,850,058.55 and 515,511,697.70

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Solution

The fourth proportional to 668,566,705.70, 1,002,850,058.55 and 515,511,697.70 is: 773,267,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,566,705.70 : 1,002,850,058.55 = 515,511,697.70 : x
  2. Step 2: Convert to fraction form
    668,566,705.70/1,002,850,058.55 = 515,511,697.70/x
  3. Step 3: Cross multiply
    668,566,705.70x = 1,002,850,058.55 × 515,511,697.70
  4. Step 4: Simplify right side
    668,566,705.70x = 516,980,936,221,654,848
  5. Step 5: Solve for x
    x = 516,980,936,221,654,848/668,566,705.70
  6. Step 6: Final answer
    x = 773,267,546.55

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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.