Home / 1,489,437,563.67-2,055,423,740.43-863,269,201.06

Finding the Fourth Proportional to 1,489,437,563.67, 2,055,423,740.43 and 863,269,201.06

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Solution

The fourth proportional to 1,489,437,563.67, 2,055,423,740.43 and 863,269,201.06 is: 1,191,311,440.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,437,563.67 : 2,055,423,740.43 = 863,269,201.06 : x
  2. Step 2: Convert to fraction form
    1,489,437,563.67/2,055,423,740.43 = 863,269,201.06/x
  3. Step 3: Cross multiply
    1,489,437,563.67x = 2,055,423,740.43 × 863,269,201.06
  4. Step 4: Simplify right side
    1,489,437,563.67x = 1,774,384,010,238,946,048
  5. Step 5: Solve for x
    x = 1,774,384,010,238,946,048/1,489,437,563.67
  6. Step 6: Final answer
    x = 1,191,311,440.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.