Home / 2,193,130,588.64-3,289,372,293.76-640,004,894.88

Finding the Fourth Proportional to 2,193,130,588.64, 3,289,372,293.76 and 640,004,894.88

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Solution

The fourth proportional to 2,193,130,588.64, 3,289,372,293.76 and 640,004,894.88 is: 959,912,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,130,588.64 : 3,289,372,293.76 = 640,004,894.88 : x
  2. Step 2: Convert to fraction form
    2,193,130,588.64/3,289,372,293.76 = 640,004,894.88/x
  3. Step 3: Cross multiply
    2,193,130,588.64x = 3,289,372,293.76 × 640,004,894.88
  4. Step 4: Simplify right side
    2,193,130,588.64x = 2,105,214,369,089,053,440
  5. Step 5: Solve for x
    x = 2,105,214,369,089,053,440/2,193,130,588.64
  6. Step 6: Final answer
    x = 959,912,911.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.