Home / 20,459,626,981.60-30,676,003,544.40-8,030,468,581.60

Finding the Fourth Proportional to 20,459,626,981.60, 30,676,003,544.40 and 8,030,468,581.60

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Solution

The fourth proportional to 20,459,626,981.60, 30,676,003,544.40 and 8,030,468,581.60 is: 12,040,428,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,459,626,981.60 : 30,676,003,544.40 = 8,030,468,581.60 : x
  2. Step 2: Convert to fraction form
    20,459,626,981.60/30,676,003,544.40 = 8,030,468,581.60/x
  3. Step 3: Cross multiply
    20,459,626,981.60x = 30,676,003,544.40 × 8,030,468,581.60
  4. Step 4: Simplify right side
    20,459,626,981.60x = 246,342,682,672,354,459,648
  5. Step 5: Solve for x
    x = 246,342,682,672,354,459,648/20,459,626,981.60
  6. Step 6: Final answer
    x = 12,040,428,835.48

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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.