Home / 355,569,546,209.08-490,686,336,920.44-192,989,225,633.90

Finding the Fourth Proportional to 355,569,546,209.08, 490,686,336,920.44 and 192,989,225,633.90

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Solution

The fourth proportional to 355,569,546,209.08, 490,686,336,920.44 and 192,989,225,633.90 is: 266,325,328,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,569,546,209.08 : 490,686,336,920.44 = 192,989,225,633.90 : x
  2. Step 2: Convert to fraction form
    355,569,546,209.08/490,686,336,920.44 = 192,989,225,633.90/x
  3. Step 3: Cross multiply
    355,569,546,209.08x = 490,686,336,920.44 × 192,989,225,633.90
  4. Step 4: Simplify right side
    355,569,546,209.08x = 94,697,176,191,410,662,014,976
  5. Step 5: Solve for x
    x = 94,697,176,191,410,662,014,976/355,569,546,209.08
  6. Step 6: Final answer
    x = 266,325,328,479.42

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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.