Home / 1,222,876,302.36-1,834,263,215.64-393,811,593.72

Finding the Fourth Proportional to 1,222,876,302.36, 1,834,263,215.64 and 393,811,593.72

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Solution

The fourth proportional to 1,222,876,302.36, 1,834,263,215.64 and 393,811,593.72 is: 590,700,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,876,302.36 : 1,834,263,215.64 = 393,811,593.72 : x
  2. Step 2: Convert to fraction form
    1,222,876,302.36/1,834,263,215.64 = 393,811,593.72/x
  3. Step 3: Cross multiply
    1,222,876,302.36x = 1,834,263,215.64 × 393,811,593.72
  4. Step 4: Simplify right side
    1,222,876,302.36x = 722,354,120,253,160,576
  5. Step 5: Solve for x
    x = 722,354,120,253,160,576/1,222,876,302.36
  6. Step 6: Final answer
    x = 590,700,890.07

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.