Home / 402,858,962,764.60-555,994,118,811.55-229,286,303,911.48

Finding the Fourth Proportional to 402,858,962,764.60, 555,994,118,811.55 and 229,286,303,911.48

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Solution

The fourth proportional to 402,858,962,764.60, 555,994,118,811.55 and 229,286,303,911.48 is: 316,442,845,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,858,962,764.60 : 555,994,118,811.55 = 229,286,303,911.48 : x
  2. Step 2: Convert to fraction form
    402,858,962,764.60/555,994,118,811.55 = 229,286,303,911.48/x
  3. Step 3: Cross multiply
    402,858,962,764.60x = 555,994,118,811.55 × 229,286,303,911.48
  4. Step 4: Simplify right side
    402,858,962,764.60x = 127,481,836,498,820,597,284,864
  5. Step 5: Solve for x
    x = 127,481,836,498,820,597,284,864/402,858,962,764.60
  6. Step 6: Final answer
    x = 316,442,845,466.27

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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.