Home / 1,279,518,745.60-1,919,278,118.40-1,085,808,501.10

Finding the Fourth Proportional to 1,279,518,745.60, 1,919,278,118.40 and 1,085,808,501.10

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Solution

The fourth proportional to 1,279,518,745.60, 1,919,278,118.40 and 1,085,808,501.10 is: 1,628,712,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,518,745.60 : 1,919,278,118.40 = 1,085,808,501.10 : x
  2. Step 2: Convert to fraction form
    1,279,518,745.60/1,919,278,118.40 = 1,085,808,501.10/x
  3. Step 3: Cross multiply
    1,279,518,745.60x = 1,919,278,118.40 × 1,085,808,501.10
  4. Step 4: Simplify right side
    1,279,518,745.60x = 2,083,968,496,933,932,288
  5. Step 5: Solve for x
    x = 2,083,968,496,933,932,288/1,279,518,745.60
  6. Step 6: Final answer
    x = 1,628,712,751.65

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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.