Home / 1,216,093,844.96-1,678,164,546.12-659,164,934.60

Finding the Fourth Proportional to 1,216,093,844.96, 1,678,164,546.12 and 659,164,934.60

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Solution

The fourth proportional to 1,216,093,844.96, 1,678,164,546.12 and 659,164,934.60 is: 909,623,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,093,844.96 : 1,678,164,546.12 = 659,164,934.60 : x
  2. Step 2: Convert to fraction form
    1,216,093,844.96/1,678,164,546.12 = 659,164,934.60/x
  3. Step 3: Cross multiply
    1,216,093,844.96x = 1,678,164,546.12 × 659,164,934.60
  4. Step 4: Simplify right side
    1,216,093,844.96x = 1,106,187,223,291,228,416
  5. Step 5: Solve for x
    x = 1,106,187,223,291,228,416/1,216,093,844.96
  6. Step 6: Final answer
    x = 909,623,239.91

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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.