Home / 1,640,444,833-2,460,673,633.38-396,873,301.48

Finding the Fourth Proportional to 1,640,444,833, 2,460,673,633.38 and 396,873,301.48

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Solution

The fourth proportional to 1,640,444,833, 2,460,673,633.38 and 396,873,301.48 is: 595,311,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,444,833 : 2,460,673,633.38 = 396,873,301.48 : x
  2. Step 2: Convert to fraction form
    1,640,444,833/2,460,673,633.38 = 396,873,301.48/x
  3. Step 3: Cross multiply
    1,640,444,833x = 2,460,673,633.38 × 396,873,301.48
  4. Step 4: Simplify right side
    1,640,444,833x = 976,575,668,744,307,840
  5. Step 5: Solve for x
    x = 976,575,668,744,307,840/1,640,444,833
  6. Step 6: Final answer
    x = 595,311,496.67

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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.