Home / 393,330,595.60-589,995,893.40-189,257,251.60

Finding the Fourth Proportional to 393,330,595.60, 589,995,893.40 and 189,257,251.60

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Solution

The fourth proportional to 393,330,595.60, 589,995,893.40 and 189,257,251.60 is: 283,885,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,330,595.60 : 589,995,893.40 = 189,257,251.60 : x
  2. Step 2: Convert to fraction form
    393,330,595.60/589,995,893.40 = 189,257,251.60/x
  3. Step 3: Cross multiply
    393,330,595.60x = 589,995,893.40 × 189,257,251.60
  4. Step 4: Simplify right side
    393,330,595.60x = 111,661,001,240,170,576
  5. Step 5: Solve for x
    x = 111,661,001,240,170,576/393,330,595.60
  6. Step 6: Final answer
    x = 283,885,877.40

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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.