Home / 386,574,170-533,472,441.96-212,733,914

Finding the Fourth Proportional to 386,574,170, 533,472,441.96 and 212,733,914

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Solution

The fourth proportional to 386,574,170, 533,472,441.96 and 212,733,914 is: 293,572,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,574,170 : 533,472,441.96 = 212,733,914 : x
  2. Step 2: Convert to fraction form
    386,574,170/533,472,441.96 = 212,733,914/x
  3. Step 3: Cross multiply
    386,574,170x = 533,472,441.96 × 212,733,914
  4. Step 4: Simplify right side
    386,574,170x = 113,487,680,589,288,624
  5. Step 5: Solve for x
    x = 113,487,680,589,288,624/386,574,170
  6. Step 6: Final answer
    x = 293,572,849.39

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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.