Home / 355,569,546,025.77-490,686,336,666.91-192,989,225,450.03

Finding the Fourth Proportional to 355,569,546,025.77, 490,686,336,666.91 and 192,989,225,450.03

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Solution

The fourth proportional to 355,569,546,025.77, 490,686,336,666.91 and 192,989,225,450.03 is: 266,325,328,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,569,546,025.77 : 490,686,336,666.91 = 192,989,225,450.03 : x
  2. Step 2: Convert to fraction form
    355,569,546,025.77/490,686,336,666.91 = 192,989,225,450.03/x
  3. Step 3: Cross multiply
    355,569,546,025.77x = 490,686,336,666.91 × 192,989,225,450.03
  4. Step 4: Simplify right side
    355,569,546,025.77x = 94,697,176,052,259,610,427,392
  5. Step 5: Solve for x
    x = 94,697,176,052,259,610,427,392/355,569,546,025.77
  6. Step 6: Final answer
    x = 266,325,328,225.37

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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.