Home / 1,912,015,930.95-2,638,520,105.76-1,097,411,429.25

Finding the Fourth Proportional to 1,912,015,930.95, 2,638,520,105.76 and 1,097,411,429.25

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Solution

The fourth proportional to 1,912,015,930.95, 2,638,520,105.76 and 1,097,411,429.25 is: 1,514,392,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,015,930.95 : 2,638,520,105.76 = 1,097,411,429.25 : x
  2. Step 2: Convert to fraction form
    1,912,015,930.95/2,638,520,105.76 = 1,097,411,429.25/x
  3. Step 3: Cross multiply
    1,912,015,930.95x = 2,638,520,105.76 × 1,097,411,429.25
  4. Step 4: Simplify right side
    1,912,015,930.95x = 2,895,542,120,366,943,232
  5. Step 5: Solve for x
    x = 2,895,542,120,366,943,232/1,912,015,930.95
  6. Step 6: Final answer
    x = 1,514,392,256.62

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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.