Home / 788,099,818.60-1,182,261,702.30-242,784,490.60

Finding the Fourth Proportional to 788,099,818.60, 1,182,261,702.30 and 242,784,490.60

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Solution

The fourth proportional to 788,099,818.60, 1,182,261,702.30 and 242,784,490.60 is: 364,211,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,099,818.60 : 1,182,261,702.30 = 242,784,490.60 : x
  2. Step 2: Convert to fraction form
    788,099,818.60/1,182,261,702.30 = 242,784,490.60/x
  3. Step 3: Cross multiply
    788,099,818.60x = 1,182,261,702.30 × 242,784,490.60
  4. Step 4: Simplify right side
    788,099,818.60x = 287,034,805,148,794,336
  5. Step 5: Solve for x
    x = 287,034,805,148,794,336/788,099,818.60
  6. Step 6: Final answer
    x = 364,211,231.08

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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.