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Finding the Fourth Proportional to 903,647,383.34, 1,349,385,899.48 and 737,979,535.06

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Solution

The fourth proportional to 903,647,383.34, 1,349,385,899.48 and 737,979,535.06 is: 1,101,999,736.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,647,383.34 : 1,349,385,899.48 = 737,979,535.06 : x
  2. Step 2: Convert to fraction form
    903,647,383.34/1,349,385,899.48 = 737,979,535.06/x
  3. Step 3: Cross multiply
    903,647,383.34x = 1,349,385,899.48 × 737,979,535.06
  4. Step 4: Simplify right side
    903,647,383.34x = 995,819,178,710,437,376
  5. Step 5: Solve for x
    x = 995,819,178,710,437,376/903,647,383.34
  6. Step 6: Final answer
    x = 1,101,999,736.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.