Home / 380,364,866.70-570,669,859.53-173,177,409.66

Finding the Fourth Proportional to 380,364,866.70, 570,669,859.53 and 173,177,409.66

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Solution

The fourth proportional to 380,364,866.70, 570,669,859.53 and 173,177,409.66 is: 259,821,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,364,866.70 : 570,669,859.53 = 173,177,409.66 : x
  2. Step 2: Convert to fraction form
    380,364,866.70/570,669,859.53 = 173,177,409.66/x
  3. Step 3: Cross multiply
    380,364,866.70x = 570,669,859.53 × 173,177,409.66
  4. Step 4: Simplify right side
    380,364,866.70x = 98,827,128,044,441,456
  5. Step 5: Solve for x
    x = 98,827,128,044,441,456/380,364,866.70
  6. Step 6: Final answer
    x = 259,821,914.95

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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.