Home / 668,727,784.20-1,002,241,370.70-322,936,840.20

Finding the Fourth Proportional to 668,727,784.20, 1,002,241,370.70 and 322,936,840.20

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Solution

The fourth proportional to 668,727,784.20, 1,002,241,370.70 and 322,936,840.20 is: 483,994,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,727,784.20 : 1,002,241,370.70 = 322,936,840.20 : x
  2. Step 2: Convert to fraction form
    668,727,784.20/1,002,241,370.70 = 322,936,840.20/x
  3. Step 3: Cross multiply
    668,727,784.20x = 1,002,241,370.70 × 322,936,840.20
  4. Step 4: Simplify right side
    668,727,784.20x = 323,660,661,371,574,848
  5. Step 5: Solve for x
    x = 323,660,661,371,574,848/668,727,784.20
  6. Step 6: Final answer
    x = 483,994,637.31

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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.