Home / 879,942,902.40-1,319,914,353.60-396,213,494.40

Finding the Fourth Proportional to 879,942,902.40, 1,319,914,353.60 and 396,213,494.40

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Solution

The fourth proportional to 879,942,902.40, 1,319,914,353.60 and 396,213,494.40 is: 594,320,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,942,902.40 : 1,319,914,353.60 = 396,213,494.40 : x
  2. Step 2: Convert to fraction form
    879,942,902.40/1,319,914,353.60 = 396,213,494.40/x
  3. Step 3: Cross multiply
    879,942,902.40x = 1,319,914,353.60 × 396,213,494.40
  4. Step 4: Simplify right side
    879,942,902.40x = 522,967,878,348,573,120
  5. Step 5: Solve for x
    x = 522,967,878,348,573,120/879,942,902.40
  6. Step 6: Final answer
    x = 594,320,241.60

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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.