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Finding the Fourth Proportional to 847,996,236, 1,271,994,648.84 and 265,775,655.60

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Solution

The fourth proportional to 847,996,236, 1,271,994,648.84 and 265,775,655.60 is: 398,663,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,996,236 : 1,271,994,648.84 = 265,775,655.60 : x
  2. Step 2: Convert to fraction form
    847,996,236/1,271,994,648.84 = 265,775,655.60/x
  3. Step 3: Cross multiply
    847,996,236x = 1,271,994,648.84 × 265,775,655.60
  4. Step 4: Simplify right side
    847,996,236x = 338,065,211,715,142,720
  5. Step 5: Solve for x
    x = 338,065,211,715,142,720/847,996,236
  6. Step 6: Final answer
    x = 398,663,575.81

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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.