Home / 1,640,444,932.80-2,460,673,783.12-396,873,401.12

Finding the Fourth Proportional to 1,640,444,932.80, 2,460,673,783.12 and 396,873,401.12

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Solution

The fourth proportional to 1,640,444,932.80, 2,460,673,783.12 and 396,873,401.12 is: 595,311,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,444,932.80 : 2,460,673,783.12 = 396,873,401.12 : x
  2. Step 2: Convert to fraction form
    1,640,444,932.80/2,460,673,783.12 = 396,873,401.12/x
  3. Step 3: Cross multiply
    1,640,444,932.80x = 2,460,673,783.12 × 396,873,401.12
  4. Step 4: Simplify right side
    1,640,444,932.80x = 976,575,973,353,651,584
  5. Step 5: Solve for x
    x = 976,575,973,353,651,584/1,640,444,932.80
  6. Step 6: Final answer
    x = 595,311,646.14

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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.