Home / 1,640,444,832-2,460,673,631.88-396,873,300.48

Finding the Fourth Proportional to 1,640,444,832, 2,460,673,631.88 and 396,873,300.48

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Solution

The fourth proportional to 1,640,444,832, 2,460,673,631.88 and 396,873,300.48 is: 595,311,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,444,832 : 2,460,673,631.88 = 396,873,300.48 : x
  2. Step 2: Convert to fraction form
    1,640,444,832/2,460,673,631.88 = 396,873,300.48/x
  3. Step 3: Cross multiply
    1,640,444,832x = 2,460,673,631.88 × 396,873,300.48
  4. Step 4: Simplify right side
    1,640,444,832x = 976,575,665,688,324,224
  5. Step 5: Solve for x
    x = 976,575,665,688,324,224/1,640,444,832
  6. Step 6: Final answer
    x = 595,311,495.17

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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.