Home / 1,216,093,908.46-1,678,164,633.57-659,164,998.10

Finding the Fourth Proportional to 1,216,093,908.46, 1,678,164,633.57 and 659,164,998.10

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Solution

The fourth proportional to 1,216,093,908.46, 1,678,164,633.57 and 659,164,998.10 is: 909,623,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,093,908.46 : 1,678,164,633.57 = 659,164,998.10 : x
  2. Step 2: Convert to fraction form
    1,216,093,908.46/1,678,164,633.57 = 659,164,998.10/x
  3. Step 3: Cross multiply
    1,216,093,908.46x = 1,678,164,633.57 × 659,164,998.10
  4. Step 4: Simplify right side
    1,216,093,908.46x = 1,106,187,387,498,656,256
  5. Step 5: Solve for x
    x = 1,106,187,387,498,656,256/1,216,093,908.46
  6. Step 6: Final answer
    x = 909,623,327.44

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Half scale
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Double scale
Find fourth proportional to 1,216,093,909.46, 1,678,164,634.95 and 659,164,999.10
Similar ratio
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1.5x scale

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.