Home / 323,408,059.20-485,112,088.80-298,465,761.60

Finding the Fourth Proportional to 323,408,059.20, 485,112,088.80 and 298,465,761.60

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Solution

The fourth proportional to 323,408,059.20, 485,112,088.80 and 298,465,761.60 is: 447,698,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,408,059.20 : 485,112,088.80 = 298,465,761.60 : x
  2. Step 2: Convert to fraction form
    323,408,059.20/485,112,088.80 = 298,465,761.60/x
  3. Step 3: Cross multiply
    323,408,059.20x = 485,112,088.80 × 298,465,761.60
  4. Step 4: Simplify right side
    323,408,059.20x = 144,789,349,045,058,848
  5. Step 5: Solve for x
    x = 144,789,349,045,058,848/323,408,059.20
  6. Step 6: Final answer
    x = 447,698,642.40

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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.