Home / 1,198,352,150.43-1,653,777,040.05-669,716,120.94

Finding the Fourth Proportional to 1,198,352,150.43, 1,653,777,040.05 and 669,716,120.94

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Solution

The fourth proportional to 1,198,352,150.43, 1,653,777,040.05 and 669,716,120.94 is: 924,236,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,352,150.43 : 1,653,777,040.05 = 669,716,120.94 : x
  2. Step 2: Convert to fraction form
    1,198,352,150.43/1,653,777,040.05 = 669,716,120.94/x
  3. Step 3: Cross multiply
    1,198,352,150.43x = 1,653,777,040.05 × 669,716,120.94
  4. Step 4: Simplify right side
    1,198,352,150.43x = 1,107,561,144,161,921,024
  5. Step 5: Solve for x
    x = 1,107,561,144,161,921,024/1,198,352,150.43
  6. Step 6: Final answer
    x = 924,236,789.47

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Double scale
Find fourth proportional to 1,198,352,151.43, 1,653,777,041.43 and 669,716,121.94
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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.