Home / 938,770,961.32-1,408,444,780.38-448,110,337.96

Finding the Fourth Proportional to 938,770,961.32, 1,408,444,780.38 and 448,110,337.96

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Solution

The fourth proportional to 938,770,961.32, 1,408,444,780.38 and 448,110,337.96 is: 672,303,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,770,961.32 : 1,408,444,780.38 = 448,110,337.96 : x
  2. Step 2: Convert to fraction form
    938,770,961.32/1,408,444,780.38 = 448,110,337.96/x
  3. Step 3: Cross multiply
    938,770,961.32x = 1,408,444,780.38 × 448,110,337.96
  4. Step 4: Simplify right side
    938,770,961.32x = 631,138,666,534,079,744
  5. Step 5: Solve for x
    x = 631,138,666,534,079,744/938,770,961.32
  6. Step 6: Final answer
    x = 672,303,141.60

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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.