Home / 989,362,704.85-1,481,783,046.46-472,156,352.03

Finding the Fourth Proportional to 989,362,704.85, 1,481,783,046.46 and 472,156,352.03

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Solution

The fourth proportional to 989,362,704.85, 1,481,783,046.46 and 472,156,352.03 is: 707,155,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,362,704.85 : 1,481,783,046.46 = 472,156,352.03 : x
  2. Step 2: Convert to fraction form
    989,362,704.85/1,481,783,046.46 = 472,156,352.03/x
  3. Step 3: Cross multiply
    989,362,704.85x = 1,481,783,046.46 × 472,156,352.03
  4. Step 4: Simplify right side
    989,362,704.85x = 699,633,277,718,977,664
  5. Step 5: Solve for x
    x = 699,633,277,718,977,664/989,362,704.85
  6. Step 6: Final answer
    x = 707,155,499.49

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1.5x scale

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.