Home / 345,287,907.84-476,491,752-188,651,654.40

Finding the Fourth Proportional to 345,287,907.84, 476,491,752 and 188,651,654.40

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Solution

The fourth proportional to 345,287,907.84, 476,491,752 and 188,651,654.40 is: 260,336,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,287,907.84 : 476,491,752 = 188,651,654.40 : x
  2. Step 2: Convert to fraction form
    345,287,907.84/476,491,752 = 188,651,654.40/x
  3. Step 3: Cross multiply
    345,287,907.84x = 476,491,752 × 188,651,654.40
  4. Step 4: Simplify right side
    345,287,907.84x = 89,890,957,322,754,512
  5. Step 5: Solve for x
    x = 89,890,957,322,754,512/345,287,907.84
  6. Step 6: Final answer
    x = 260,336,244.86

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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.