Home / 491,318,784,015.40-736,978,176,023.10-226,839,730,191.40

Finding the Fourth Proportional to 491,318,784,015.40, 736,978,176,023.10 and 226,839,730,191.40

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Solution

The fourth proportional to 491,318,784,015.40, 736,978,176,023.10 and 226,839,730,191.40 is: 340,259,595,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,318,784,015.40 : 736,978,176,023.10 = 226,839,730,191.40 : x
  2. Step 2: Convert to fraction form
    491,318,784,015.40/736,978,176,023.10 = 226,839,730,191.40/x
  3. Step 3: Cross multiply
    491,318,784,015.40x = 736,978,176,023.10 × 226,839,730,191.40
  4. Step 4: Simplify right side
    491,318,784,015.40x = 167,175,930,606,030,105,346,048
  5. Step 5: Solve for x
    x = 167,175,930,606,030,105,346,048/491,318,784,015.40
  6. Step 6: Final answer
    x = 340,259,595,287.10

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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.