Home / 1,638,671,021.19-2,261,541,256.38-1,004,012,699.04

Finding the Fourth Proportional to 1,638,671,021.19, 2,261,541,256.38 and 1,004,012,699.04

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Solution

The fourth proportional to 1,638,671,021.19, 2,261,541,256.38 and 1,004,012,699.04 is: 1,385,644,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,671,021.19 : 2,261,541,256.38 = 1,004,012,699.04 : x
  2. Step 2: Convert to fraction form
    1,638,671,021.19/2,261,541,256.38 = 1,004,012,699.04/x
  3. Step 3: Cross multiply
    1,638,671,021.19x = 2,261,541,256.38 × 1,004,012,699.04
  4. Step 4: Simplify right side
    1,638,671,021.19x = 2,270,616,140,808,396,544
  5. Step 5: Solve for x
    x = 2,270,616,140,808,396,544/1,638,671,021.19
  6. Step 6: Final answer
    x = 1,385,644,898.49

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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.