Home / 1,004,022,006.80-1,506,033,010.20-611,180,819.60

Finding the Fourth Proportional to 1,004,022,006.80, 1,506,033,010.20 and 611,180,819.60

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Solution

The fourth proportional to 1,004,022,006.80, 1,506,033,010.20 and 611,180,819.60 is: 916,771,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,022,006.80 : 1,506,033,010.20 = 611,180,819.60 : x
  2. Step 2: Convert to fraction form
    1,004,022,006.80/1,506,033,010.20 = 611,180,819.60/x
  3. Step 3: Cross multiply
    1,004,022,006.80x = 1,506,033,010.20 × 611,180,819.60
  4. Step 4: Simplify right side
    1,004,022,006.80x = 920,458,489,518,691,200
  5. Step 5: Solve for x
    x = 920,458,489,518,691,200/1,004,022,006.80
  6. Step 6: Final answer
    x = 916,771,229.40

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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.