Home / 354,319,281.60-531,478,922.40-320,307,057.60

Finding the Fourth Proportional to 354,319,281.60, 531,478,922.40 and 320,307,057.60

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Solution

The fourth proportional to 354,319,281.60, 531,478,922.40 and 320,307,057.60 is: 480,460,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,319,281.60 : 531,478,922.40 = 320,307,057.60 : x
  2. Step 2: Convert to fraction form
    354,319,281.60/531,478,922.40 = 320,307,057.60/x
  3. Step 3: Cross multiply
    354,319,281.60x = 531,478,922.40 × 320,307,057.60
  4. Step 4: Simplify right side
    354,319,281.60x = 170,236,449,810,362,720
  5. Step 5: Solve for x
    x = 170,236,449,810,362,720/354,319,281.60
  6. Step 6: Final answer
    x = 480,460,586.40

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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.