Home / 214,002,470,283.60-321,003,705,425.40-64,942,197,992.40

Finding the Fourth Proportional to 214,002,470,283.60, 321,003,705,425.40 and 64,942,197,992.40

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Solution

The fourth proportional to 214,002,470,283.60, 321,003,705,425.40 and 64,942,197,992.40 is: 97,413,296,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,002,470,283.60 : 321,003,705,425.40 = 64,942,197,992.40 : x
  2. Step 2: Convert to fraction form
    214,002,470,283.60/321,003,705,425.40 = 64,942,197,992.40/x
  3. Step 3: Cross multiply
    214,002,470,283.60x = 321,003,705,425.40 × 64,942,197,992.40
  4. Step 4: Simplify right side
    214,002,470,283.60x = 20,846,686,194,030,375,600,128
  5. Step 5: Solve for x
    x = 20,846,686,194,030,375,600,128/214,002,470,283.60
  6. Step 6: Final answer
    x = 97,413,296,988.60

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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.