Home / 380,364,868.70-570,669,862.53-173,177,411.66

Finding the Fourth Proportional to 380,364,868.70, 570,669,862.53 and 173,177,411.66

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Solution

The fourth proportional to 380,364,868.70, 570,669,862.53 and 173,177,411.66 is: 259,821,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,364,868.70 : 570,669,862.53 = 173,177,411.66 : x
  2. Step 2: Convert to fraction form
    380,364,868.70/570,669,862.53 = 173,177,411.66/x
  3. Step 3: Cross multiply
    380,364,868.70x = 570,669,862.53 × 173,177,411.66
  4. Step 4: Simplify right side
    380,364,868.70x = 98,827,129,705,313,408
  5. Step 5: Solve for x
    x = 98,827,129,705,313,408/380,364,868.70
  6. Step 6: Final answer
    x = 259,821,917.95

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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.