Home / 704,460,871.04-1,055,772,079.72-393,555,928.61

Finding the Fourth Proportional to 704,460,871.04, 1,055,772,079.72 and 393,555,928.61

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Solution

The fourth proportional to 704,460,871.04, 1,055,772,079.72 and 393,555,928.61 is: 589,820,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,460,871.04 : 1,055,772,079.72 = 393,555,928.61 : x
  2. Step 2: Convert to fraction form
    704,460,871.04/1,055,772,079.72 = 393,555,928.61/x
  3. Step 3: Cross multiply
    704,460,871.04x = 1,055,772,079.72 × 393,555,928.61
  4. Step 4: Simplify right side
    704,460,871.04x = 415,505,361,236,371,072
  5. Step 5: Solve for x
    x = 415,505,361,236,371,072/704,460,871.04
  6. Step 6: Final answer
    x = 589,820,355.28

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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.