Home / 1,262,138,105.40-1,893,302,319.96-376,753,524.72

Finding the Fourth Proportional to 1,262,138,105.40, 1,893,302,319.96 and 376,753,524.72

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Solution

The fourth proportional to 1,262,138,105.40, 1,893,302,319.96 and 376,753,524.72 is: 565,158,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,138,105.40 : 1,893,302,319.96 = 376,753,524.72 : x
  2. Step 2: Convert to fraction form
    1,262,138,105.40/1,893,302,319.96 = 376,753,524.72/x
  3. Step 3: Cross multiply
    1,262,138,105.40x = 1,893,302,319.96 × 376,753,524.72
  4. Step 4: Simplify right side
    1,262,138,105.40x = 713,308,322,405,483,264
  5. Step 5: Solve for x
    x = 713,308,322,405,483,264/1,262,138,105.40
  6. Step 6: Final answer
    x = 565,158,693.29

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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.