Home / 3,420,731,197.83-5,131,113,881.69-1,209,942,948.69

Finding the Fourth Proportional to 3,420,731,197.83, 5,131,113,881.69 and 1,209,942,948.69

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Solution

The fourth proportional to 3,420,731,197.83, 5,131,113,881.69 and 1,209,942,948.69 is: 1,814,920,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,731,197.83 : 5,131,113,881.69 = 1,209,942,948.69 : x
  2. Step 2: Convert to fraction form
    3,420,731,197.83/5,131,113,881.69 = 1,209,942,948.69/x
  3. Step 3: Cross multiply
    3,420,731,197.83x = 5,131,113,881.69 × 1,209,942,948.69
  4. Step 4: Simplify right side
    3,420,731,197.83x = 6,208,355,060,079,215,616
  5. Step 5: Solve for x
    x = 6,208,355,060,079,215,616/3,420,731,197.83
  6. Step 6: Final answer
    x = 1,814,920,466.13

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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.