Home / 1,174,379,536.89-1,619,139,319.28-961,903,618.59

Finding the Fourth Proportional to 1,174,379,536.89, 1,619,139,319.28 and 961,903,618.59

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Solution

The fourth proportional to 1,174,379,536.89, 1,619,139,319.28 and 961,903,618.59 is: 1,326,194,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,379,536.89 : 1,619,139,319.28 = 961,903,618.59 : x
  2. Step 2: Convert to fraction form
    1,174,379,536.89/1,619,139,319.28 = 961,903,618.59/x
  3. Step 3: Cross multiply
    1,174,379,536.89x = 1,619,139,319.28 × 961,903,618.59
  4. Step 4: Simplify right side
    1,174,379,536.89x = 1,557,455,970,211,972,096
  5. Step 5: Solve for x
    x = 1,557,455,970,211,972,096/1,174,379,536.89
  6. Step 6: Final answer
    x = 1,326,194,744.79

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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.