Home / 383,023,815.18-574,616,421.84-124,218,854.64

Finding the Fourth Proportional to 383,023,815.18, 574,616,421.84 and 124,218,854.64

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Solution

The fourth proportional to 383,023,815.18, 574,616,421.84 and 124,218,854.64 is: 186,354,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,023,815.18 : 574,616,421.84 = 124,218,854.64 : x
  2. Step 2: Convert to fraction form
    383,023,815.18/574,616,421.84 = 124,218,854.64/x
  3. Step 3: Cross multiply
    383,023,815.18x = 574,616,421.84 × 124,218,854.64
  4. Step 4: Simplify right side
    383,023,815.18x = 71,378,193,778,299,888
  5. Step 5: Solve for x
    x = 71,378,193,778,299,888/383,023,815.18
  6. Step 6: Final answer
    x = 186,354,453.56

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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.