Home / 460,201,970.56-690,399,904.74-149,285,309.35

Finding the Fourth Proportional to 460,201,970.56, 690,399,904.74 and 149,285,309.35

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Solution

The fourth proportional to 460,201,970.56, 690,399,904.74 and 149,285,309.35 is: 223,959,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,201,970.56 : 690,399,904.74 = 149,285,309.35 : x
  2. Step 2: Convert to fraction form
    460,201,970.56/690,399,904.74 = 149,285,309.35/x
  3. Step 3: Cross multiply
    460,201,970.56x = 690,399,904.74 × 149,285,309.35
  4. Step 4: Simplify right side
    460,201,970.56x = 103,066,563,354,321,424
  5. Step 5: Solve for x
    x = 103,066,563,354,321,424/460,201,970.56
  6. Step 6: Final answer
    x = 223,959,413.36

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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.