Home / 393,330,441.60-589,995,662.40-189,257,097.60

Finding the Fourth Proportional to 393,330,441.60, 589,995,662.40 and 189,257,097.60

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Solution

The fourth proportional to 393,330,441.60, 589,995,662.40 and 189,257,097.60 is: 283,885,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,330,441.60 : 589,995,662.40 = 189,257,097.60 : x
  2. Step 2: Convert to fraction form
    393,330,441.60/589,995,662.40 = 189,257,097.60/x
  3. Step 3: Cross multiply
    393,330,441.60x = 589,995,662.40 × 189,257,097.60
  4. Step 4: Simplify right side
    393,330,441.60x = 111,660,866,662,413,440
  5. Step 5: Solve for x
    x = 111,660,866,662,413,440/393,330,441.60
  6. Step 6: Final answer
    x = 283,885,646.40

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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.