Home / 209,330,550.20-288,798,675.80-209,007,705.26

Finding the Fourth Proportional to 209,330,550.20, 288,798,675.80 and 209,007,705.26

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Solution

The fourth proportional to 209,330,550.20, 288,798,675.80 and 209,007,705.26 is: 288,353,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,330,550.20 : 288,798,675.80 = 209,007,705.26 : x
  2. Step 2: Convert to fraction form
    209,330,550.20/288,798,675.80 = 209,007,705.26/x
  3. Step 3: Cross multiply
    209,330,550.20x = 288,798,675.80 × 209,007,705.26
  4. Step 4: Simplify right side
    209,330,550.20x = 60,361,148,511,084,696
  5. Step 5: Solve for x
    x = 60,361,148,511,084,696/209,330,550.20
  6. Step 6: Final answer
    x = 288,353,269.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.