Home / 387,486,492.42-580,900,540.44-180,345,192.03

Finding the Fourth Proportional to 387,486,492.42, 580,900,540.44 and 180,345,192.03

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Solution

The fourth proportional to 387,486,492.42, 580,900,540.44 and 180,345,192.03 is: 270,364,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,486,492.42 : 580,900,540.44 = 180,345,192.03 : x
  2. Step 2: Convert to fraction form
    387,486,492.42/580,900,540.44 = 180,345,192.03/x
  3. Step 3: Cross multiply
    387,486,492.42x = 580,900,540.44 × 180,345,192.03
  4. Step 4: Simplify right side
    387,486,492.42x = 104,762,619,515,982,592
  5. Step 5: Solve for x
    x = 104,762,619,515,982,592/387,486,492.42
  6. Step 6: Final answer
    x = 270,364,571.58

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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.