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Finding the Fourth Proportional to 671,672,822.44, 926,867,720.40 and 370,244,923.96

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Solution

The fourth proportional to 671,672,822.44, 926,867,720.40 and 370,244,923.96 is: 510,915,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,672,822.44 : 926,867,720.40 = 370,244,923.96 : x
  2. Step 2: Convert to fraction form
    671,672,822.44/926,867,720.40 = 370,244,923.96/x
  3. Step 3: Cross multiply
    671,672,822.44x = 926,867,720.40 × 370,244,923.96
  4. Step 4: Simplify right side
    671,672,822.44x = 343,168,068,660,476,544
  5. Step 5: Solve for x
    x = 343,168,068,660,476,544/671,672,822.44
  6. Step 6: Final answer
    x = 510,915,518.98

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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.