Home / 355,569,546,206.15-490,686,336,916.42-192,989,225,631

Finding the Fourth Proportional to 355,569,546,206.15, 490,686,336,916.42 and 192,989,225,631

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Solution

The fourth proportional to 355,569,546,206.15, 490,686,336,916.42 and 192,989,225,631 is: 266,325,328,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,569,546,206.15 : 490,686,336,916.42 = 192,989,225,631 : x
  2. Step 2: Convert to fraction form
    355,569,546,206.15/490,686,336,916.42 = 192,989,225,631/x
  3. Step 3: Cross multiply
    355,569,546,206.15x = 490,686,336,916.42 × 192,989,225,631
  4. Step 4: Simplify right side
    355,569,546,206.15x = 94,697,176,189,211,856,863,232
  5. Step 5: Solve for x
    x = 94,697,176,189,211,856,863,232/355,569,546,206.15
  6. Step 6: Final answer
    x = 266,325,328,475.43

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1.5x scale

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.