Home / 690,323,507.56-1,035,489,132.32-230,260,413.88

Finding the Fourth Proportional to 690,323,507.56, 1,035,489,132.32 and 230,260,413.88

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Solution

The fourth proportional to 690,323,507.56, 1,035,489,132.32 and 230,260,413.88 is: 345,391,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,323,507.56 : 1,035,489,132.32 = 230,260,413.88 : x
  2. Step 2: Convert to fraction form
    690,323,507.56/1,035,489,132.32 = 230,260,413.88/x
  3. Step 3: Cross multiply
    690,323,507.56x = 1,035,489,132.32 × 230,260,413.88
  4. Step 4: Simplify right side
    690,323,507.56x = 238,432,156,176,245,280
  5. Step 5: Solve for x
    x = 238,432,156,176,245,280/690,323,507.56
  6. Step 6: Final answer
    x = 345,391,912.00

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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.