Home / 352,128,066.40-528,192,099.60-170,393,615.20

Finding the Fourth Proportional to 352,128,066.40, 528,192,099.60 and 170,393,615.20

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Solution

The fourth proportional to 352,128,066.40, 528,192,099.60 and 170,393,615.20 is: 255,590,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,128,066.40 : 528,192,099.60 = 170,393,615.20 : x
  2. Step 2: Convert to fraction form
    352,128,066.40/528,192,099.60 = 170,393,615.20/x
  3. Step 3: Cross multiply
    352,128,066.40x = 528,192,099.60 × 170,393,615.20
  4. Step 4: Simplify right side
    352,128,066.40x = 90,000,561,370,922,464
  5. Step 5: Solve for x
    x = 90,000,561,370,922,464/352,128,066.40
  6. Step 6: Final answer
    x = 255,590,422.80

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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.