Home / 396,144,267.20-594,216,400.80-191,693,009.60

Finding the Fourth Proportional to 396,144,267.20, 594,216,400.80 and 191,693,009.60

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Solution

The fourth proportional to 396,144,267.20, 594,216,400.80 and 191,693,009.60 is: 287,539,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,144,267.20 : 594,216,400.80 = 191,693,009.60 : x
  2. Step 2: Convert to fraction form
    396,144,267.20/594,216,400.80 = 191,693,009.60/x
  3. Step 3: Cross multiply
    396,144,267.20x = 594,216,400.80 × 191,693,009.60
  4. Step 4: Simplify right side
    396,144,267.20x = 113,907,130,223,031,840
  5. Step 5: Solve for x
    x = 113,907,130,223,031,840/396,144,267.20
  6. Step 6: Final answer
    x = 287,539,514.40

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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.