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Finding the Fourth Proportional to 957,616,604.40, 1,321,511,481 and 534,230,267.52

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Solution

The fourth proportional to 957,616,604.40, 1,321,511,481 and 534,230,267.52 is: 737,238,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,616,604.40 : 1,321,511,481 = 534,230,267.52 : x
  2. Step 2: Convert to fraction form
    957,616,604.40/1,321,511,481 = 534,230,267.52/x
  3. Step 3: Cross multiply
    957,616,604.40x = 1,321,511,481 × 534,230,267.52
  4. Step 4: Simplify right side
    957,616,604.40x = 705,991,432,025,381,376
  5. Step 5: Solve for x
    x = 705,991,432,025,381,376/957,616,604.40
  6. Step 6: Final answer
    x = 737,238,085.45

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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.