Home / 603,633,614.40-905,450,421.60-220,830,465.60

Finding the Fourth Proportional to 603,633,614.40, 905,450,421.60 and 220,830,465.60

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Solution

The fourth proportional to 603,633,614.40, 905,450,421.60 and 220,830,465.60 is: 331,245,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,633,614.40 : 905,450,421.60 = 220,830,465.60 : x
  2. Step 2: Convert to fraction form
    603,633,614.40/905,450,421.60 = 220,830,465.60/x
  3. Step 3: Cross multiply
    603,633,614.40x = 905,450,421.60 × 220,830,465.60
  4. Step 4: Simplify right side
    603,633,614.40x = 199,951,038,179,644,288
  5. Step 5: Solve for x
    x = 199,951,038,179,644,288/603,633,614.40
  6. Step 6: Final answer
    x = 331,245,698.40

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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.