Home / 690,323,604.54-1,035,489,278.07-230,260,510.86

Finding the Fourth Proportional to 690,323,604.54, 1,035,489,278.07 and 230,260,510.86

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Solution

The fourth proportional to 690,323,604.54, 1,035,489,278.07 and 230,260,510.86 is: 345,392,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,323,604.54 : 1,035,489,278.07 = 230,260,510.86 : x
  2. Step 2: Convert to fraction form
    690,323,604.54/1,035,489,278.07 = 230,260,510.86/x
  3. Step 3: Cross multiply
    690,323,604.54x = 1,035,489,278.07 × 230,260,510.86
  4. Step 4: Simplify right side
    690,323,604.54x = 238,432,290,158,450,816
  5. Step 5: Solve for x
    x = 238,432,290,158,450,816/690,323,604.54
  6. Step 6: Final answer
    x = 345,392,057.57

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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.