Home / 1,796,858,970.80-2,697,303,995.40-1,389,720,052.40

Finding the Fourth Proportional to 1,796,858,970.80, 2,697,303,995.40 and 1,389,720,052.40

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Solution

The fourth proportional to 1,796,858,970.80, 2,697,303,995.40 and 1,389,720,052.40 is: 2,086,138,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,858,970.80 : 2,697,303,995.40 = 1,389,720,052.40 : x
  2. Step 2: Convert to fraction form
    1,796,858,970.80/2,697,303,995.40 = 1,389,720,052.40/x
  3. Step 3: Cross multiply
    1,796,858,970.80x = 2,697,303,995.40 × 1,389,720,052.40
  4. Step 4: Simplify right side
    1,796,858,970.80x = 3,748,497,449,826,017,792
  5. Step 5: Solve for x
    x = 3,748,497,449,826,017,792/1,796,858,970.80
  6. Step 6: Final answer
    x = 2,086,138,929.51

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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.