Home / 1,535,052,378.75-2,118,372,286.01-830,204,360.16

Finding the Fourth Proportional to 1,535,052,378.75, 2,118,372,286.01 and 830,204,360.16

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Solution

The fourth proportional to 1,535,052,378.75, 2,118,372,286.01 and 830,204,360.16 is: 1,145,682,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,052,378.75 : 2,118,372,286.01 = 830,204,360.16 : x
  2. Step 2: Convert to fraction form
    1,535,052,378.75/2,118,372,286.01 = 830,204,360.16/x
  3. Step 3: Cross multiply
    1,535,052,378.75x = 2,118,372,286.01 × 830,204,360.16
  4. Step 4: Simplify right side
    1,535,052,378.75x = 1,758,681,908,283,457,536
  5. Step 5: Solve for x
    x = 1,758,681,908,283,457,536/1,535,052,378.75
  6. Step 6: Final answer
    x = 1,145,682,018.82

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Half scale
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Double scale
Find fourth proportional to 1,535,052,379.75, 2,118,372,287.39 and 830,204,361.16
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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.