Home / 414,722,938.80-621,785,809.80-233,025,812.40

Finding the Fourth Proportional to 414,722,938.80, 621,785,809.80 and 233,025,812.40

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Solution

The fourth proportional to 414,722,938.80, 621,785,809.80 and 233,025,812.40 is: 349,370,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,722,938.80 : 621,785,809.80 = 233,025,812.40 : x
  2. Step 2: Convert to fraction form
    414,722,938.80/621,785,809.80 = 233,025,812.40/x
  3. Step 3: Cross multiply
    414,722,938.80x = 621,785,809.80 × 233,025,812.40
  4. Step 4: Simplify right side
    414,722,938.80x = 144,892,143,467,436,864
  5. Step 5: Solve for x
    x = 144,892,143,467,436,864/414,722,938.80
  6. Step 6: Final answer
    x = 349,370,941.20

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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.