Home / 656,058,078.40-984,097,615.20-171,383,886.40

Finding the Fourth Proportional to 656,058,078.40, 984,097,615.20 and 171,383,886.40

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Solution

The fourth proportional to 656,058,078.40, 984,097,615.20 and 171,383,886.40 is: 257,078,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,058,078.40 : 984,097,615.20 = 171,383,886.40 : x
  2. Step 2: Convert to fraction form
    656,058,078.40/984,097,615.20 = 171,383,886.40/x
  3. Step 3: Cross multiply
    656,058,078.40x = 984,097,615.20 × 171,383,886.40
  4. Step 4: Simplify right side
    656,058,078.40x = 168,658,473,889,947,712
  5. Step 5: Solve for x
    x = 168,658,473,889,947,712/656,058,078.40
  6. Step 6: Final answer
    x = 257,078,571.92

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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.