Home / 443,864,616.58-612,534,178.65-245,640,535.30

Finding the Fourth Proportional to 443,864,616.58, 612,534,178.65 and 245,640,535.30

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Solution

The fourth proportional to 443,864,616.58, 612,534,178.65 and 245,640,535.30 is: 338,984,496.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,864,616.58 : 612,534,178.65 = 245,640,535.30 : x
  2. Step 2: Convert to fraction form
    443,864,616.58/612,534,178.65 = 245,640,535.30/x
  3. Step 3: Cross multiply
    443,864,616.58x = 612,534,178.65 × 245,640,535.30
  4. Step 4: Simplify right side
    443,864,616.58x = 150,463,223,533,131,840
  5. Step 5: Solve for x
    x = 150,463,223,533,131,840/443,864,616.58
  6. Step 6: Final answer
    x = 338,984,496.43

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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.