Home / 382,477,042.05-573,715,563.08-123,877,851.45

Finding the Fourth Proportional to 382,477,042.05, 573,715,563.08 and 123,877,851.45

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Solution

The fourth proportional to 382,477,042.05, 573,715,563.08 and 123,877,851.45 is: 185,816,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,477,042.05 : 573,715,563.08 = 123,877,851.45 : x
  2. Step 2: Convert to fraction form
    382,477,042.05/573,715,563.08 = 123,877,851.45/x
  3. Step 3: Cross multiply
    382,477,042.05x = 573,715,563.08 × 123,877,851.45
  4. Step 4: Simplify right side
    382,477,042.05x = 71,070,651,297,157,960
  5. Step 5: Solve for x
    x = 71,070,651,297,157,960/382,477,042.05
  6. Step 6: Final answer
    x = 185,816,777.18

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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.