Home / 272,027,071.60-408,040,607.40-255,020,959.60

Finding the Fourth Proportional to 272,027,071.60, 408,040,607.40 and 255,020,959.60

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Solution

The fourth proportional to 272,027,071.60, 408,040,607.40 and 255,020,959.60 is: 382,531,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,027,071.60 : 408,040,607.40 = 255,020,959.60 : x
  2. Step 2: Convert to fraction form
    272,027,071.60/408,040,607.40 = 255,020,959.60/x
  3. Step 3: Cross multiply
    272,027,071.60x = 408,040,607.40 × 255,020,959.60
  4. Step 4: Simplify right side
    272,027,071.60x = 104,058,907,254,914,848
  5. Step 5: Solve for x
    x = 104,058,907,254,914,848/272,027,071.60
  6. Step 6: Final answer
    x = 382,531,439.40

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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.