Home / 1,245,594,669.60-1,868,250,286.80-325,564,010.40

Finding the Fourth Proportional to 1,245,594,669.60, 1,868,250,286.80 and 325,564,010.40

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Solution

The fourth proportional to 1,245,594,669.60, 1,868,250,286.80 and 325,564,010.40 is: 488,308,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,594,669.60 : 1,868,250,286.80 = 325,564,010.40 : x
  2. Step 2: Convert to fraction form
    1,245,594,669.60/1,868,250,286.80 = 325,564,010.40/x
  3. Step 3: Cross multiply
    1,245,594,669.60x = 1,868,250,286.80 × 325,564,010.40
  4. Step 4: Simplify right side
    1,245,594,669.60x = 608,235,055,801,558,144
  5. Step 5: Solve for x
    x = 608,235,055,801,558,144/1,245,594,669.60
  6. Step 6: Final answer
    x = 488,308,974.54

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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.