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Finding the Fourth Proportional to 1,107,929,458.72, 1,528,978,896.68 and 606,126,601.39

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Solution

The fourth proportional to 1,107,929,458.72, 1,528,978,896.68 and 606,126,601.39 is: 836,474,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,929,458.72 : 1,528,978,896.68 = 606,126,601.39 : x
  2. Step 2: Convert to fraction form
    1,107,929,458.72/1,528,978,896.68 = 606,126,601.39/x
  3. Step 3: Cross multiply
    1,107,929,458.72x = 1,528,978,896.68 × 606,126,601.39
  4. Step 4: Simplify right side
    1,107,929,458.72x = 926,754,782,242,747,392
  5. Step 5: Solve for x
    x = 926,754,782,242,747,392/1,107,929,458.72
  6. Step 6: Final answer
    x = 836,474,538.11

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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.