Home / 1,550,603,779.21-2,140,014,121.98-881,649,057.44

Finding the Fourth Proportional to 1,550,603,779.21, 2,140,014,121.98 and 881,649,057.44

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Solution

The fourth proportional to 1,550,603,779.21, 2,140,014,121.98 and 881,649,057.44 is: 1,216,778,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,603,779.21 : 2,140,014,121.98 = 881,649,057.44 : x
  2. Step 2: Convert to fraction form
    1,550,603,779.21/2,140,014,121.98 = 881,649,057.44/x
  3. Step 3: Cross multiply
    1,550,603,779.21x = 2,140,014,121.98 × 881,649,057.44
  4. Step 4: Simplify right side
    1,550,603,779.21x = 1,886,741,433,552,901,120
  5. Step 5: Solve for x
    x = 1,886,741,433,552,901,120/1,550,603,779.21
  6. Step 6: Final answer
    x = 1,216,778,559.97

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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.