Home / 389,352,084.84-537,305,833.65-210,735,942.66

Finding the Fourth Proportional to 389,352,084.84, 537,305,833.65 and 210,735,942.66

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Solution

The fourth proportional to 389,352,084.84, 537,305,833.65 and 210,735,942.66 is: 290,815,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,352,084.84 : 537,305,833.65 = 210,735,942.66 : x
  2. Step 2: Convert to fraction form
    389,352,084.84/537,305,833.65 = 210,735,942.66/x
  3. Step 3: Cross multiply
    389,352,084.84x = 537,305,833.65 × 210,735,942.66
  4. Step 4: Simplify right side
    389,352,084.84x = 113,229,651,350,949,888
  5. Step 5: Solve for x
    x = 113,229,651,350,949,888/389,352,084.84
  6. Step 6: Final answer
    x = 290,815,577.36

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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.