Home / 1,189,932,445.48-1,779,419,295.42-1,131,884,916.52

Finding the Fourth Proportional to 1,189,932,445.48, 1,779,419,295.42 and 1,131,884,916.52

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Solution

The fourth proportional to 1,189,932,445.48, 1,779,419,295.42 and 1,131,884,916.52 is: 1,692,615,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,932,445.48 : 1,779,419,295.42 = 1,131,884,916.52 : x
  2. Step 2: Convert to fraction form
    1,189,932,445.48/1,779,419,295.42 = 1,131,884,916.52/x
  3. Step 3: Cross multiply
    1,189,932,445.48x = 1,779,419,295.42 × 1,131,884,916.52
  4. Step 4: Simplify right side
    1,189,932,445.48x = 2,014,097,860,650,543,872
  5. Step 5: Solve for x
    x = 2,014,097,860,650,543,872/1,189,932,445.48
  6. Step 6: Final answer
    x = 1,692,615,297.87

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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.