Home / 1,091,869,896.40-1,637,804,844.60-898,000,219.60

Finding the Fourth Proportional to 1,091,869,896.40, 1,637,804,844.60 and 898,000,219.60

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Solution

The fourth proportional to 1,091,869,896.40, 1,637,804,844.60 and 898,000,219.60 is: 1,347,000,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,869,896.40 : 1,637,804,844.60 = 898,000,219.60 : x
  2. Step 2: Convert to fraction form
    1,091,869,896.40/1,637,804,844.60 = 898,000,219.60/x
  3. Step 3: Cross multiply
    1,091,869,896.40x = 1,637,804,844.60 × 898,000,219.60
  4. Step 4: Simplify right side
    1,091,869,896.40x = 1,470,749,110,112,743,936
  5. Step 5: Solve for x
    x = 1,470,749,110,112,743,936/1,091,869,896.40
  6. Step 6: Final answer
    x = 1,347,000,329.40

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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.