Home / 520,471,975,544.25-780,297,367,847.75-328,840,094,188.46

Finding the Fourth Proportional to 520,471,975,544.25, 780,297,367,847.75 and 328,840,094,188.46

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Solution

The fourth proportional to 520,471,975,544.25, 780,297,367,847.75 and 328,840,094,188.46 is: 493,000,722,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,471,975,544.25 : 780,297,367,847.75 = 328,840,094,188.46 : x
  2. Step 2: Convert to fraction form
    520,471,975,544.25/780,297,367,847.75 = 328,840,094,188.46/x
  3. Step 3: Cross multiply
    520,471,975,544.25x = 780,297,367,847.75 × 328,840,094,188.46
  4. Step 4: Simplify right side
    520,471,975,544.25x = 256,593,059,938,061,552,451,584
  5. Step 5: Solve for x
    x = 256,593,059,938,061,552,451,584/520,471,975,544.25
  6. Step 6: Final answer
    x = 493,000,722,411.13

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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.