Home / 903,672,045.60-1,355,697,025.20-290,318,272.80

Finding the Fourth Proportional to 903,672,045.60, 1,355,697,025.20 and 290,318,272.80

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Solution

The fourth proportional to 903,672,045.60, 1,355,697,025.20 and 290,318,272.80 is: 435,538,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,672,045.60 : 1,355,697,025.20 = 290,318,272.80 : x
  2. Step 2: Convert to fraction form
    903,672,045.60/1,355,697,025.20 = 290,318,272.80/x
  3. Step 3: Cross multiply
    903,672,045.60x = 1,355,697,025.20 × 290,318,272.80
  4. Step 4: Simplify right side
    903,672,045.60x = 393,583,618,796,162,112
  5. Step 5: Solve for x
    x = 393,583,618,796,162,112/903,672,045.60
  6. Step 6: Final answer
    x = 435,538,114.42

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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.