Home / 1,770,393,993.36-2,443,147,151.22-977,441,506.08

Finding the Fourth Proportional to 1,770,393,993.36, 2,443,147,151.22 and 977,441,506.08

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Solution

The fourth proportional to 1,770,393,993.36, 2,443,147,151.22 and 977,441,506.08 is: 1,348,871,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,393,993.36 : 2,443,147,151.22 = 977,441,506.08 : x
  2. Step 2: Convert to fraction form
    1,770,393,993.36/2,443,147,151.22 = 977,441,506.08/x
  3. Step 3: Cross multiply
    1,770,393,993.36x = 2,443,147,151.22 × 977,441,506.08
  4. Step 4: Simplify right side
    1,770,393,993.36x = 2,388,033,431,063,538,176
  5. Step 5: Solve for x
    x = 2,388,033,431,063,538,176/1,770,393,993.36
  6. Step 6: Final answer
    x = 1,348,871,177.84

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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.