Home / 325,632,145.20-488,448,217.80-196,637,636.40

Finding the Fourth Proportional to 325,632,145.20, 488,448,217.80 and 196,637,636.40

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Solution

The fourth proportional to 325,632,145.20, 488,448,217.80 and 196,637,636.40 is: 294,956,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,632,145.20 : 488,448,217.80 = 196,637,636.40 : x
  2. Step 2: Convert to fraction form
    325,632,145.20/488,448,217.80 = 196,637,636.40/x
  3. Step 3: Cross multiply
    325,632,145.20x = 488,448,217.80 × 196,637,636.40
  4. Step 4: Simplify right side
    325,632,145.20x = 96,047,303,051,984,416
  5. Step 5: Solve for x
    x = 96,047,303,051,984,416/325,632,145.20
  6. Step 6: Final answer
    x = 294,956,454.60

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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.