Home / 8,421,971,893.45-12,612,903,418.23-4,873,234,498.39

Finding the Fourth Proportional to 8,421,971,893.45, 12,612,903,418.23 and 4,873,234,498.39

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Solution

The fourth proportional to 8,421,971,893.45, 12,612,903,418.23 and 4,873,234,498.39 is: 7,298,247,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,971,893.45 : 12,612,903,418.23 = 4,873,234,498.39 : x
  2. Step 2: Convert to fraction form
    8,421,971,893.45/12,612,903,418.23 = 4,873,234,498.39/x
  3. Step 3: Cross multiply
    8,421,971,893.45x = 12,612,903,418.23 × 4,873,234,498.39
  4. Step 4: Simplify right side
    8,421,971,893.45x = 61,465,636,062,575,230,976
  5. Step 5: Solve for x
    x = 61,465,636,062,575,230,976/8,421,971,893.45
  6. Step 6: Final answer
    x = 7,298,247,588.60

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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.