Home / 354,295,058.90-531,442,588.35-311,248,337.90

Finding the Fourth Proportional to 354,295,058.90, 531,442,588.35 and 311,248,337.90

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Solution

The fourth proportional to 354,295,058.90, 531,442,588.35 and 311,248,337.90 is: 466,872,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,295,058.90 : 531,442,588.35 = 311,248,337.90 : x
  2. Step 2: Convert to fraction form
    354,295,058.90/531,442,588.35 = 311,248,337.90/x
  3. Step 3: Cross multiply
    354,295,058.90x = 531,442,588.35 × 311,248,337.90
  4. Step 4: Simplify right side
    354,295,058.90x = 165,410,622,313,211,392
  5. Step 5: Solve for x
    x = 165,410,622,313,211,392/354,295,058.90
  6. Step 6: Final answer
    x = 466,872,506.85

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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.