Home / 382,676,882.96-528,093,957.48-208,836,626.96

Finding the Fourth Proportional to 382,676,882.96, 528,093,957.48 and 208,836,626.96

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Solution

The fourth proportional to 382,676,882.96, 528,093,957.48 and 208,836,626.96 is: 288,194,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,676,882.96 : 528,093,957.48 = 208,836,626.96 : x
  2. Step 2: Convert to fraction form
    382,676,882.96/528,093,957.48 = 208,836,626.96/x
  3. Step 3: Cross multiply
    382,676,882.96x = 528,093,957.48 × 208,836,626.96
  4. Step 4: Simplify right side
    382,676,882.96x = 110,285,360,798,080,864
  5. Step 5: Solve for x
    x = 110,285,360,798,080,864/382,676,882.96
  6. Step 6: Final answer
    x = 288,194,468.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.