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Finding the Fourth Proportional to 585,573,099.53, 878,361,702.23 and 148,873,830.73

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Solution

The fourth proportional to 585,573,099.53, 878,361,702.23 and 148,873,830.73 is: 223,311,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,573,099.53 : 878,361,702.23 = 148,873,830.73 : x
  2. Step 2: Convert to fraction form
    585,573,099.53/878,361,702.23 = 148,873,830.73/x
  3. Step 3: Cross multiply
    585,573,099.53x = 878,361,702.23 × 148,873,830.73
  4. Step 4: Simplify right side
    585,573,099.53x = 130,765,071,375,676,992
  5. Step 5: Solve for x
    x = 130,765,071,375,676,992/585,573,099.53
  6. Step 6: Final answer
    x = 223,311,268.02

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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.