Home / 704,460,872.04-1,055,772,081.22-393,555,929.61

Finding the Fourth Proportional to 704,460,872.04, 1,055,772,081.22 and 393,555,929.61

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Solution

The fourth proportional to 704,460,872.04, 1,055,772,081.22 and 393,555,929.61 is: 589,820,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,460,872.04 : 1,055,772,081.22 = 393,555,929.61 : x
  2. Step 2: Convert to fraction form
    704,460,872.04/1,055,772,081.22 = 393,555,929.61/x
  3. Step 3: Cross multiply
    704,460,872.04x = 1,055,772,081.22 × 393,555,929.61
  4. Step 4: Simplify right side
    704,460,872.04x = 415,505,362,880,821,568
  5. Step 5: Solve for x
    x = 415,505,362,880,821,568/704,460,872.04
  6. Step 6: Final answer
    x = 589,820,356.78

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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.