Home / 1,256,197,534.70-1,884,500,821.36-370,972,434.56

Finding the Fourth Proportional to 1,256,197,534.70, 1,884,500,821.36 and 370,972,434.56

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Solution

The fourth proportional to 1,256,197,534.70, 1,884,500,821.36 and 370,972,434.56 is: 556,519,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,197,534.70 : 1,884,500,821.36 = 370,972,434.56 : x
  2. Step 2: Convert to fraction form
    1,256,197,534.70/1,884,500,821.36 = 370,972,434.56/x
  3. Step 3: Cross multiply
    1,256,197,534.70x = 1,884,500,821.36 × 370,972,434.56
  4. Step 4: Simplify right side
    1,256,197,534.70x = 699,097,857,630,238,848
  5. Step 5: Solve for x
    x = 699,097,857,630,238,848/1,256,197,534.70
  6. Step 6: Final answer
    x = 556,519,049.21

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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.