Home / 290,335,910.40-435,503,865.60-263,462,054.40

Finding the Fourth Proportional to 290,335,910.40, 435,503,865.60 and 263,462,054.40

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Solution

The fourth proportional to 290,335,910.40, 435,503,865.60 and 263,462,054.40 is: 395,193,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,335,910.40 : 435,503,865.60 = 263,462,054.40 : x
  2. Step 2: Convert to fraction form
    290,335,910.40/435,503,865.60 = 263,462,054.40/x
  3. Step 3: Cross multiply
    290,335,910.40x = 435,503,865.60 × 263,462,054.40
  4. Step 4: Simplify right side
    290,335,910.40x = 114,738,743,130,117,504
  5. Step 5: Solve for x
    x = 114,738,743,130,117,504/290,335,910.40
  6. Step 6: Final answer
    x = 395,193,081.60

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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.