Home / 3,059,792,960.40-4,589,689,440.60-989,723,977.20

Finding the Fourth Proportional to 3,059,792,960.40, 4,589,689,440.60 and 989,723,977.20

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Solution

The fourth proportional to 3,059,792,960.40, 4,589,689,440.60 and 989,723,977.20 is: 1,484,585,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059,792,960.40 : 4,589,689,440.60 = 989,723,977.20 : x
  2. Step 2: Convert to fraction form
    3,059,792,960.40/4,589,689,440.60 = 989,723,977.20/x
  3. Step 3: Cross multiply
    3,059,792,960.40x = 4,589,689,440.60 × 989,723,977.20
  4. Step 4: Simplify right side
    3,059,792,960.40x = 4,542,525,687,263,475,712
  5. Step 5: Solve for x
    x = 4,542,525,687,263,475,712/3,059,792,960.40
  6. Step 6: Final answer
    x = 1,484,585,965.80

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Double scale
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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.