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Finding the Fourth Proportional to 2,535,846,412.80, 3,542,929,036.80 and 2,535,846,412.80

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Solution

The fourth proportional to 2,535,846,412.80, 3,542,929,036.80 and 2,535,846,412.80 is: 3,542,929,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535,846,412.80 : 3,542,929,036.80 = 2,535,846,412.80 : x
  2. Step 2: Convert to fraction form
    2,535,846,412.80/3,542,929,036.80 = 2,535,846,412.80/x
  3. Step 3: Cross multiply
    2,535,846,412.80x = 3,542,929,036.80 × 2,535,846,412.80
  4. Step 4: Simplify right side
    2,535,846,412.80x = 8,984,323,888,774,240,256
  5. Step 5: Solve for x
    x = 8,984,323,888,774,240,256/2,535,846,412.80
  6. Step 6: Final answer
    x = 3,542,929,036.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.