Home / 354,302,906.40-531,454,359.60-304,985,181.60

Finding the Fourth Proportional to 354,302,906.40, 531,454,359.60 and 304,985,181.60

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Solution

The fourth proportional to 354,302,906.40, 531,454,359.60 and 304,985,181.60 is: 457,477,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,302,906.40 : 531,454,359.60 = 304,985,181.60 : x
  2. Step 2: Convert to fraction form
    354,302,906.40/531,454,359.60 = 304,985,181.60/x
  3. Step 3: Cross multiply
    354,302,906.40x = 531,454,359.60 × 304,985,181.60
  4. Step 4: Simplify right side
    354,302,906.40x = 162,085,704,374,717,728
  5. Step 5: Solve for x
    x = 162,085,704,374,717,728/354,302,906.40
  6. Step 6: Final answer
    x = 457,477,772.40

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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.