Home / 907,394,529.60-1,361,091,794.40-447,552,993.60

Finding the Fourth Proportional to 907,394,529.60, 1,361,091,794.40 and 447,552,993.60

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Solution

The fourth proportional to 907,394,529.60, 1,361,091,794.40 and 447,552,993.60 is: 671,329,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,394,529.60 : 1,361,091,794.40 = 447,552,993.60 : x
  2. Step 2: Convert to fraction form
    907,394,529.60/1,361,091,794.40 = 447,552,993.60/x
  3. Step 3: Cross multiply
    907,394,529.60x = 1,361,091,794.40 × 447,552,993.60
  4. Step 4: Simplify right side
    907,394,529.60x = 609,160,707,148,115,840
  5. Step 5: Solve for x
    x = 609,160,707,148,115,840/907,394,529.60
  6. Step 6: Final answer
    x = 671,329,490.40

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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.