Home / 355,569,546,209.34-490,686,336,920.76-192,989,225,634.15

Finding the Fourth Proportional to 355,569,546,209.34, 490,686,336,920.76 and 192,989,225,634.15

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Solution

The fourth proportional to 355,569,546,209.34, 490,686,336,920.76 and 192,989,225,634.15 is: 266,325,328,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,569,546,209.34 : 490,686,336,920.76 = 192,989,225,634.15 : x
  2. Step 2: Convert to fraction form
    355,569,546,209.34/490,686,336,920.76 = 192,989,225,634.15/x
  3. Step 3: Cross multiply
    355,569,546,209.34x = 490,686,336,920.76 × 192,989,225,634.15
  4. Step 4: Simplify right side
    355,569,546,209.34x = 94,697,176,191,595,093,950,464
  5. Step 5: Solve for x
    x = 94,697,176,191,595,093,950,464/355,569,546,209.34
  6. Step 6: Final answer
    x = 266,325,328,479.74

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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.