Home / 808,318,410.40-1,212,477,615.60-348,775,472.80

Finding the Fourth Proportional to 808,318,410.40, 1,212,477,615.60 and 348,775,472.80

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Solution

The fourth proportional to 808,318,410.40, 1,212,477,615.60 and 348,775,472.80 is: 523,163,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,318,410.40 : 1,212,477,615.60 = 348,775,472.80 : x
  2. Step 2: Convert to fraction form
    808,318,410.40/1,212,477,615.60 = 348,775,472.80/x
  3. Step 3: Cross multiply
    808,318,410.40x = 1,212,477,615.60 × 348,775,472.80
  4. Step 4: Simplify right side
    808,318,410.40x = 422,882,453,640,306,624
  5. Step 5: Solve for x
    x = 422,882,453,640,306,624/808,318,410.40
  6. Step 6: Final answer
    x = 523,163,209.20

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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.