Home / 674,880,140.20-1,012,320,210.30-214,864,810.60

Finding the Fourth Proportional to 674,880,140.20, 1,012,320,210.30 and 214,864,810.60

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Solution

The fourth proportional to 674,880,140.20, 1,012,320,210.30 and 214,864,810.60 is: 322,297,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,880,140.20 : 1,012,320,210.30 = 214,864,810.60 : x
  2. Step 2: Convert to fraction form
    674,880,140.20/1,012,320,210.30 = 214,864,810.60/x
  3. Step 3: Cross multiply
    674,880,140.20x = 1,012,320,210.30 × 214,864,810.60
  4. Step 4: Simplify right side
    674,880,140.20x = 217,511,990,252,661,664
  5. Step 5: Solve for x
    x = 217,511,990,252,661,664/674,880,140.20
  6. Step 6: Final answer
    x = 322,297,215.90

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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.