Home / 20,890,254,289.74-31,348,228,364.64-8,296,909,489.14

Finding the Fourth Proportional to 20,890,254,289.74, 31,348,228,364.64 and 8,296,909,489.14

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Solution

The fourth proportional to 20,890,254,289.74, 31,348,228,364.64 and 8,296,909,489.14 is: 12,450,466,604.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,890,254,289.74 : 31,348,228,364.64 = 8,296,909,489.14 : x
  2. Step 2: Convert to fraction form
    20,890,254,289.74/31,348,228,364.64 = 8,296,909,489.14/x
  3. Step 3: Cross multiply
    20,890,254,289.74x = 31,348,228,364.64 × 8,296,909,489.14
  4. Step 4: Simplify right side
    20,890,254,289.74x = 260,093,413,386,309,337,088
  5. Step 5: Solve for x
    x = 260,093,413,386,309,337,088/20,890,254,289.74
  6. Step 6: Final answer
    x = 12,450,466,604.14

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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.