Home / 7,186,236,121.80-10,778,346,413.10-2,279,405,939.40

Finding the Fourth Proportional to 7,186,236,121.80, 10,778,346,413.10 and 2,279,405,939.40

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Solution

The fourth proportional to 7,186,236,121.80, 10,778,346,413.10 and 2,279,405,939.40 is: 3,418,789,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,236,121.80 : 10,778,346,413.10 = 2,279,405,939.40 : x
  2. Step 2: Convert to fraction form
    7,186,236,121.80/10,778,346,413.10 = 2,279,405,939.40/x
  3. Step 3: Cross multiply
    7,186,236,121.80x = 10,778,346,413.10 × 2,279,405,939.40
  4. Step 4: Simplify right side
    7,186,236,121.80x = 24,568,226,830,930,829,312
  5. Step 5: Solve for x
    x = 24,568,226,830,930,829,312/7,186,236,121.80
  6. Step 6: Final answer
    x = 3,418,789,254.14

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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.