Home / 327,545,196.40-491,317,794.60-155,358,312.40

Finding the Fourth Proportional to 327,545,196.40, 491,317,794.60 and 155,358,312.40

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Solution

The fourth proportional to 327,545,196.40, 491,317,794.60 and 155,358,312.40 is: 233,037,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,545,196.40 : 491,317,794.60 = 155,358,312.40 : x
  2. Step 2: Convert to fraction form
    327,545,196.40/491,317,794.60 = 155,358,312.40/x
  3. Step 3: Cross multiply
    327,545,196.40x = 491,317,794.60 × 155,358,312.40
  4. Step 4: Simplify right side
    327,545,196.40x = 76,330,303,421,145,840
  5. Step 5: Solve for x
    x = 76,330,303,421,145,840/327,545,196.40
  6. Step 6: Final answer
    x = 233,037,468.60

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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.