Home / 1,998,754,920,440.80-2,758,281,790,208.20-1,143,330,480,728.60

Finding the Fourth Proportional to 1,998,754,920,440.80, 2,758,281,790,208.20 and 1,143,330,480,728.60

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Solution

The fourth proportional to 1,998,754,920,440.80, 2,758,281,790,208.20 and 1,143,330,480,728.60 is: 1,577,796,063,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,754,920,440.80 : 2,758,281,790,208.20 = 1,143,330,480,728.60 : x
  2. Step 2: Convert to fraction form
    1,998,754,920,440.80/2,758,281,790,208.20 = 1,143,330,480,728.60/x
  3. Step 3: Cross multiply
    1,998,754,920,440.80x = 2,758,281,790,208.20 × 1,143,330,480,728.60
  4. Step 4: Simplify right side
    1,998,754,920,440.80x = 3,153,627,645,183,685,237,407,744
  5. Step 5: Solve for x
    x = 3,153,627,645,183,685,237,407,744/1,998,754,920,440.80
  6. Step 6: Final answer
    x = 1,577,796,063,405.41

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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.