Home / 452,909,731.20-678,356,827.20-372,288,163.20

Finding the Fourth Proportional to 452,909,731.20, 678,356,827.20 and 372,288,163.20

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Solution

The fourth proportional to 452,909,731.20, 678,356,827.20 and 372,288,163.20 is: 557,603,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,909,731.20 : 678,356,827.20 = 372,288,163.20 : x
  2. Step 2: Convert to fraction form
    452,909,731.20/678,356,827.20 = 372,288,163.20/x
  3. Step 3: Cross multiply
    452,909,731.20x = 678,356,827.20 × 372,288,163.20
  4. Step 4: Simplify right side
    452,909,731.20x = 252,544,217,192,467,808
  5. Step 5: Solve for x
    x = 252,544,217,192,467,808/452,909,731.20
  6. Step 6: Final answer
    x = 557,603,866.28

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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.