Home / 1,379,809,792.80-2,069,714,689.20-1,107,712,000.80

Finding the Fourth Proportional to 1,379,809,792.80, 2,069,714,689.20 and 1,107,712,000.80

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Solution

The fourth proportional to 1,379,809,792.80, 2,069,714,689.20 and 1,107,712,000.80 is: 1,661,568,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,809,792.80 : 2,069,714,689.20 = 1,107,712,000.80 : x
  2. Step 2: Convert to fraction form
    1,379,809,792.80/2,069,714,689.20 = 1,107,712,000.80/x
  3. Step 3: Cross multiply
    1,379,809,792.80x = 2,069,714,689.20 × 1,107,712,000.80
  4. Step 4: Simplify right side
    1,379,809,792.80x = 2,292,647,799,458,882,048
  5. Step 5: Solve for x
    x = 2,292,647,799,458,882,048/1,379,809,792.80
  6. Step 6: Final answer
    x = 1,661,568,001.20

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1.5x scale

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.