Home / 1,227,880,397,923.60-1,694,361,235,240.40-679,159,892,859.20

Finding the Fourth Proportional to 1,227,880,397,923.60, 1,694,361,235,240.40 and 679,159,892,859.20

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Solution

The fourth proportional to 1,227,880,397,923.60, 1,694,361,235,240.40 and 679,159,892,859.20 is: 937,177,755,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,880,397,923.60 : 1,694,361,235,240.40 = 679,159,892,859.20 : x
  2. Step 2: Convert to fraction form
    1,227,880,397,923.60/1,694,361,235,240.40 = 679,159,892,859.20/x
  3. Step 3: Cross multiply
    1,227,880,397,923.60x = 1,694,361,235,240.40 × 679,159,892,859.20
  4. Step 4: Simplify right side
    1,227,880,397,923.60x = 1,150,742,194,990,651,705,131,008
  5. Step 5: Solve for x
    x = 1,150,742,194,990,651,705,131,008/1,227,880,397,923.60
  6. Step 6: Final answer
    x = 937,177,755,208.58

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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.