Home / 579,658,216.80-869,235,382.80-191,330,997.60

Finding the Fourth Proportional to 579,658,216.80, 869,235,382.80 and 191,330,997.60

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Solution

The fourth proportional to 579,658,216.80, 869,235,382.80 and 191,330,997.60 is: 286,913,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,658,216.80 : 869,235,382.80 = 191,330,997.60 : x
  2. Step 2: Convert to fraction form
    579,658,216.80/869,235,382.80 = 191,330,997.60/x
  3. Step 3: Cross multiply
    579,658,216.80x = 869,235,382.80 × 191,330,997.60
  4. Step 4: Simplify right side
    579,658,216.80x = 166,311,672,940,341,856
  5. Step 5: Solve for x
    x = 166,311,672,940,341,856/579,658,216.80
  6. Step 6: Final answer
    x = 286,913,336.38

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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.