Home / 1,078,311,976.60-1,617,467,964.90-1,056,812,891.80

Finding the Fourth Proportional to 1,078,311,976.60, 1,617,467,964.90 and 1,056,812,891.80

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Solution

The fourth proportional to 1,078,311,976.60, 1,617,467,964.90 and 1,056,812,891.80 is: 1,585,219,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,311,976.60 : 1,617,467,964.90 = 1,056,812,891.80 : x
  2. Step 2: Convert to fraction form
    1,078,311,976.60/1,617,467,964.90 = 1,056,812,891.80/x
  3. Step 3: Cross multiply
    1,078,311,976.60x = 1,617,467,964.90 × 1,056,812,891.80
  4. Step 4: Simplify right side
    1,078,311,976.60x = 1,709,360,997,379,830,016
  5. Step 5: Solve for x
    x = 1,709,360,997,379,830,016/1,078,311,976.60
  6. Step 6: Final answer
    x = 1,585,219,337.70

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Double scale
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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.