Home / 2,870,790,418-3,961,692,370.92-1,550,690,986.96

Finding the Fourth Proportional to 2,870,790,418, 3,961,692,370.92 and 1,550,690,986.96

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Solution

The fourth proportional to 2,870,790,418, 3,961,692,370.92 and 1,550,690,986.96 is: 2,139,954,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,790,418 : 3,961,692,370.92 = 1,550,690,986.96 : x
  2. Step 2: Convert to fraction form
    2,870,790,418/3,961,692,370.92 = 1,550,690,986.96/x
  3. Step 3: Cross multiply
    2,870,790,418x = 3,961,692,370.92 × 1,550,690,986.96
  4. Step 4: Simplify right side
    2,870,790,418x = 6,143,360,652,693,837,824
  5. Step 5: Solve for x
    x = 6,143,360,652,693,837,824/2,870,790,418
  6. Step 6: Final answer
    x = 2,139,954,423.07

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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.