Home / 1,131,185,653.67-1,561,011,722.30-654,896,105.28

Finding the Fourth Proportional to 1,131,185,653.67, 1,561,011,722.30 and 654,896,105.28

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Solution

The fourth proportional to 1,131,185,653.67, 1,561,011,722.30 and 654,896,105.28 is: 903,742,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,185,653.67 : 1,561,011,722.30 = 654,896,105.28 : x
  2. Step 2: Convert to fraction form
    1,131,185,653.67/1,561,011,722.30 = 654,896,105.28/x
  3. Step 3: Cross multiply
    1,131,185,653.67x = 1,561,011,722.30 × 654,896,105.28
  4. Step 4: Simplify right side
    1,131,185,653.67x = 1,022,300,497,227,420,416
  5. Step 5: Solve for x
    x = 1,022,300,497,227,420,416/1,131,185,653.67
  6. Step 6: Final answer
    x = 903,742,452.81

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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.