Home / 355,734,289,928.64-490,899,551,500.14-193,150,214,640.96

Finding the Fourth Proportional to 355,734,289,928.64, 490,899,551,500.14 and 193,150,214,640.96

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Solution

The fourth proportional to 355,734,289,928.64, 490,899,551,500.14 and 193,150,214,640.96 is: 266,539,820,376.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,734,289,928.64 : 490,899,551,500.14 = 193,150,214,640.96 : x
  2. Step 2: Convert to fraction form
    355,734,289,928.64/490,899,551,500.14 = 193,150,214,640.96/x
  3. Step 3: Cross multiply
    355,734,289,928.64x = 490,899,551,500.14 × 193,150,214,640.96
  4. Step 4: Simplify right side
    355,734,289,928.64x = 94,817,353,739,403,037,507,584
  5. Step 5: Solve for x
    x = 94,817,353,739,403,037,507,584/355,734,289,928.64
  6. Step 6: Final answer
    x = 266,539,820,376.67

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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.