Home / 1,535,052,379.48-2,118,372,287.02-830,204,360.89

Finding the Fourth Proportional to 1,535,052,379.48, 2,118,372,287.02 and 830,204,360.89

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Solution

The fourth proportional to 1,535,052,379.48, 2,118,372,287.02 and 830,204,360.89 is: 1,145,682,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,052,379.48 : 2,118,372,287.02 = 830,204,360.89 : x
  2. Step 2: Convert to fraction form
    1,535,052,379.48/2,118,372,287.02 = 830,204,360.89/x
  3. Step 3: Cross multiply
    1,535,052,379.48x = 2,118,372,287.02 × 830,204,360.89
  4. Step 4: Simplify right side
    1,535,052,379.48x = 1,758,681,910,665,155,328
  5. Step 5: Solve for x
    x = 1,758,681,910,665,155,328/1,535,052,379.48
  6. Step 6: Final answer
    x = 1,145,682,019.83

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Double scale
Find fourth proportional to 1,535,052,380.48, 2,118,372,288.40 and 830,204,361.89
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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.