Home / 356,339,825.20-534,509,737.80-313,257,674.80

Finding the Fourth Proportional to 356,339,825.20, 534,509,737.80 and 313,257,674.80

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Solution

The fourth proportional to 356,339,825.20, 534,509,737.80 and 313,257,674.80 is: 469,886,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,339,825.20 : 534,509,737.80 = 313,257,674.80 : x
  2. Step 2: Convert to fraction form
    356,339,825.20/534,509,737.80 = 313,257,674.80/x
  3. Step 3: Cross multiply
    356,339,825.20x = 534,509,737.80 × 313,257,674.80
  4. Step 4: Simplify right side
    356,339,825.20x = 167,439,277,621,185,664
  5. Step 5: Solve for x
    x = 167,439,277,621,185,664/356,339,825.20
  6. Step 6: Final answer
    x = 469,886,512.20

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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.