Home / 1,347,014,930.40-2,019,010,741.20-765,027,986.40

Finding the Fourth Proportional to 1,347,014,930.40, 2,019,010,741.20 and 765,027,986.40

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Solution

The fourth proportional to 1,347,014,930.40, 2,019,010,741.20 and 765,027,986.40 is: 1,146,683,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,014,930.40 : 2,019,010,741.20 = 765,027,986.40 : x
  2. Step 2: Convert to fraction form
    1,347,014,930.40/2,019,010,741.20 = 765,027,986.40/x
  3. Step 3: Cross multiply
    1,347,014,930.40x = 2,019,010,741.20 × 765,027,986.40
  4. Step 4: Simplify right side
    1,347,014,930.40x = 1,544,599,721,860,207,616
  5. Step 5: Solve for x
    x = 1,544,599,721,860,207,616/1,347,014,930.40
  6. Step 6: Final answer
    x = 1,146,683,445.74

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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.