Home / 2,752,784,000.40-4,129,176,000.60-1,880,788,198.80

Finding the Fourth Proportional to 2,752,784,000.40, 4,129,176,000.60 and 1,880,788,198.80

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Solution

The fourth proportional to 2,752,784,000.40, 4,129,176,000.60 and 1,880,788,198.80 is: 2,821,182,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,784,000.40 : 4,129,176,000.60 = 1,880,788,198.80 : x
  2. Step 2: Convert to fraction form
    2,752,784,000.40/4,129,176,000.60 = 1,880,788,198.80/x
  3. Step 3: Cross multiply
    2,752,784,000.40x = 4,129,176,000.60 × 1,880,788,198.80
  4. Step 4: Simplify right side
    2,752,784,000.40x = 7,766,105,492,696,660,992
  5. Step 5: Solve for x
    x = 7,766,105,492,696,660,992/2,752,784,000.40
  6. Step 6: Final answer
    x = 2,821,182,298.20

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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.