Home / 1,089,589,689-1,634,081,910.90-302,462,378.28

Finding the Fourth Proportional to 1,089,589,689, 1,634,081,910.90 and 302,462,378.28

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Solution

The fourth proportional to 1,089,589,689, 1,634,081,910.90 and 302,462,378.28 is: 453,609,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,589,689 : 1,634,081,910.90 = 302,462,378.28 : x
  2. Step 2: Convert to fraction form
    1,089,589,689/1,634,081,910.90 = 302,462,378.28/x
  3. Step 3: Cross multiply
    1,089,589,689x = 1,634,081,910.90 × 302,462,378.28
  4. Step 4: Simplify right side
    1,089,589,689x = 494,248,301,075,141,056
  5. Step 5: Solve for x
    x = 494,248,301,075,141,056/1,089,589,689
  6. Step 6: Final answer
    x = 453,609,561.53

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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.