Home / 1,782,789,228.48-2,460,325,973.82-989,835,246.72

Finding the Fourth Proportional to 1,782,789,228.48, 2,460,325,973.82 and 989,835,246.72

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Solution

The fourth proportional to 1,782,789,228.48, 2,460,325,973.82 and 989,835,246.72 is: 1,366,015,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,789,228.48 : 2,460,325,973.82 = 989,835,246.72 : x
  2. Step 2: Convert to fraction form
    1,782,789,228.48/2,460,325,973.82 = 989,835,246.72/x
  3. Step 3: Cross multiply
    1,782,789,228.48x = 2,460,325,973.82 × 989,835,246.72
  4. Step 4: Simplify right side
    1,782,789,228.48x = 2,435,317,367,307,744,256
  5. Step 5: Solve for x
    x = 2,435,317,367,307,744,256/1,782,789,228.48
  6. Step 6: Final answer
    x = 1,366,015,302.54

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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.