Home / 396,622,445.40-594,352,800.90-355,681,805.40

Finding the Fourth Proportional to 396,622,445.40, 594,352,800.90 and 355,681,805.40

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Solution

The fourth proportional to 396,622,445.40, 594,352,800.90 and 355,681,805.40 is: 533,001,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,622,445.40 : 594,352,800.90 = 355,681,805.40 : x
  2. Step 2: Convert to fraction form
    396,622,445.40/594,352,800.90 = 355,681,805.40/x
  3. Step 3: Cross multiply
    396,622,445.40x = 594,352,800.90 × 355,681,805.40
  4. Step 4: Simplify right side
    396,622,445.40x = 211,400,477,268,658,720
  5. Step 5: Solve for x
    x = 211,400,477,268,658,720/396,622,445.40
  6. Step 6: Final answer
    x = 533,001,799.87

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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.