Home / 1,174,379,538.39-1,619,139,321.35-961,903,620.09

Finding the Fourth Proportional to 1,174,379,538.39, 1,619,139,321.35 and 961,903,620.09

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Solution

The fourth proportional to 1,174,379,538.39, 1,619,139,321.35 and 961,903,620.09 is: 1,326,194,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,379,538.39 : 1,619,139,321.35 = 961,903,620.09 : x
  2. Step 2: Convert to fraction form
    1,174,379,538.39/1,619,139,321.35 = 961,903,620.09/x
  3. Step 3: Cross multiply
    1,174,379,538.39x = 1,619,139,321.35 × 961,903,620.09
  4. Step 4: Simplify right side
    1,174,379,538.39x = 1,557,455,974,631,821,312
  5. Step 5: Solve for x
    x = 1,557,455,974,631,821,312/1,174,379,538.39
  6. Step 6: Final answer
    x = 1,326,194,746.86

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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.