Home / 290,805,274.56-401,304,820.32-160,425,048

Finding the Fourth Proportional to 290,805,274.56, 401,304,820.32 and 160,425,048

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Solution

The fourth proportional to 290,805,274.56, 401,304,820.32 and 160,425,048 is: 221,383,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,805,274.56 : 401,304,820.32 = 160,425,048 : x
  2. Step 2: Convert to fraction form
    290,805,274.56/401,304,820.32 = 160,425,048/x
  3. Step 3: Cross multiply
    290,805,274.56x = 401,304,820.32 × 160,425,048
  4. Step 4: Simplify right side
    290,805,274.56x = 64,379,345,062,467,376
  5. Step 5: Solve for x
    x = 64,379,345,062,467,376/290,805,274.56
  6. Step 6: Final answer
    x = 221,383,003.32

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1.5x scale

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.