Home / 1,136,783,945.10-1,568,764,275.42-641,746,653.60

Finding the Fourth Proportional to 1,136,783,945.10, 1,568,764,275.42 and 641,746,653.60

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Solution

The fourth proportional to 1,136,783,945.10, 1,568,764,275.42 and 641,746,653.60 is: 885,611,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,783,945.10 : 1,568,764,275.42 = 641,746,653.60 : x
  2. Step 2: Convert to fraction form
    1,136,783,945.10/1,568,764,275.42 = 641,746,653.60/x
  3. Step 3: Cross multiply
    1,136,783,945.10x = 1,568,764,275.42 × 641,746,653.60
  4. Step 4: Simplify right side
    1,136,783,945.10x = 1,006,749,224,038,013,824
  5. Step 5: Solve for x
    x = 1,006,749,224,038,013,824/1,136,783,945.10
  6. Step 6: Final answer
    x = 885,611,754.44

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Double scale
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1.5x scale

Why These Related Problems?

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