Home / 728,161,770.40-1,092,384,373.20-210,609,095.20

Finding the Fourth Proportional to 728,161,770.40, 1,092,384,373.20 and 210,609,095.20

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Solution

The fourth proportional to 728,161,770.40, 1,092,384,373.20 and 210,609,095.20 is: 315,954,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,161,770.40 : 1,092,384,373.20 = 210,609,095.20 : x
  2. Step 2: Convert to fraction form
    728,161,770.40/1,092,384,373.20 = 210,609,095.20/x
  3. Step 3: Cross multiply
    728,161,770.40x = 1,092,384,373.20 × 210,609,095.20
  4. Step 4: Simplify right side
    728,161,770.40x = 230,066,084,450,271,136
  5. Step 5: Solve for x
    x = 230,066,084,450,271,136/728,161,770.40
  6. Step 6: Final answer
    x = 315,954,632.34

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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.