Home / 1,173,646,910.80-1,760,470,366.20-629,451,326.80

Finding the Fourth Proportional to 1,173,646,910.80, 1,760,470,366.20 and 629,451,326.80

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Solution

The fourth proportional to 1,173,646,910.80, 1,760,470,366.20 and 629,451,326.80 is: 944,176,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,646,910.80 : 1,760,470,366.20 = 629,451,326.80 : x
  2. Step 2: Convert to fraction form
    1,173,646,910.80/1,760,470,366.20 = 629,451,326.80/x
  3. Step 3: Cross multiply
    1,173,646,910.80x = 1,760,470,366.20 × 629,451,326.80
  4. Step 4: Simplify right side
    1,173,646,910.80x = 1,108,130,407,796,671,872
  5. Step 5: Solve for x
    x = 1,108,130,407,796,671,872/1,173,646,910.80
  6. Step 6: Final answer
    x = 944,176,990.20

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Double scale
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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.