Home / 1,535,052,380.48-2,118,372,288.40-830,204,361.89

Finding the Fourth Proportional to 1,535,052,380.48, 2,118,372,288.40 and 830,204,361.89

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Solution

The fourth proportional to 1,535,052,380.48, 2,118,372,288.40 and 830,204,361.89 is: 1,145,682,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,052,380.48 : 2,118,372,288.40 = 830,204,361.89 : x
  2. Step 2: Convert to fraction form
    1,535,052,380.48/2,118,372,288.40 = 830,204,361.89/x
  3. Step 3: Cross multiply
    1,535,052,380.48x = 2,118,372,288.40 × 830,204,361.89
  4. Step 4: Simplify right side
    1,535,052,380.48x = 1,758,681,913,936,581,120
  5. Step 5: Solve for x
    x = 1,758,681,913,936,581,120/1,535,052,380.48
  6. Step 6: Final answer
    x = 1,145,682,021.21

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Double scale
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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.