Home / 903,168,071.20-1,354,752,106.80-328,664,749.60

Finding the Fourth Proportional to 903,168,071.20, 1,354,752,106.80 and 328,664,749.60

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Solution

The fourth proportional to 903,168,071.20, 1,354,752,106.80 and 328,664,749.60 is: 492,997,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,168,071.20 : 1,354,752,106.80 = 328,664,749.60 : x
  2. Step 2: Convert to fraction form
    903,168,071.20/1,354,752,106.80 = 328,664,749.60/x
  3. Step 3: Cross multiply
    903,168,071.20x = 1,354,752,106.80 × 328,664,749.60
  4. Step 4: Simplify right side
    903,168,071.20x = 445,259,261,951,494,464
  5. Step 5: Solve for x
    x = 445,259,261,951,494,464/903,168,071.20
  6. Step 6: Final answer
    x = 492,997,124.40

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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.