Home / 351,146,720.93-484,582,306.33-210,017,938.88

Finding the Fourth Proportional to 351,146,720.93, 484,582,306.33 and 210,017,938.88

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Solution

The fourth proportional to 351,146,720.93, 484,582,306.33 and 210,017,938.88 is: 289,824,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,146,720.93 : 484,582,306.33 = 210,017,938.88 : x
  2. Step 2: Convert to fraction form
    351,146,720.93/484,582,306.33 = 210,017,938.88/x
  3. Step 3: Cross multiply
    351,146,720.93x = 484,582,306.33 × 210,017,938.88
  4. Step 4: Simplify right side
    351,146,720.93x = 101,770,977,194,617,360
  5. Step 5: Solve for x
    x = 101,770,977,194,617,360/351,146,720.93
  6. Step 6: Final answer
    x = 289,824,654.85

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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.