Home / 7,821,303,300.54-10,793,603,116.90-4,253,218,890.12

Finding the Fourth Proportional to 7,821,303,300.54, 10,793,603,116.90 and 4,253,218,890.12

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Solution

The fourth proportional to 7,821,303,300.54, 10,793,603,116.90 and 4,253,218,890.12 is: 5,869,553,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821,303,300.54 : 10,793,603,116.90 = 4,253,218,890.12 : x
  2. Step 2: Convert to fraction form
    7,821,303,300.54/10,793,603,116.90 = 4,253,218,890.12/x
  3. Step 3: Cross multiply
    7,821,303,300.54x = 10,793,603,116.90 × 4,253,218,890.12
  4. Step 4: Simplify right side
    7,821,303,300.54x = 45,907,556,669,257,187,328
  5. Step 5: Solve for x
    x = 45,907,556,669,257,187,328/7,821,303,300.54
  6. Step 6: Final answer
    x = 5,869,553,309.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.