Home / 486,026,478.23-670,718,305.89-263,008,136.36

Finding the Fourth Proportional to 486,026,478.23, 670,718,305.89 and 263,008,136.36

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Solution

The fourth proportional to 486,026,478.23, 670,718,305.89 and 263,008,136.36 is: 362,952,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,026,478.23 : 670,718,305.89 = 263,008,136.36 : x
  2. Step 2: Convert to fraction form
    486,026,478.23/670,718,305.89 = 263,008,136.36/x
  3. Step 3: Cross multiply
    486,026,478.23x = 670,718,305.89 × 263,008,136.36
  4. Step 4: Simplify right side
    486,026,478.23x = 176,404,371,651,311,712
  5. Step 5: Solve for x
    x = 176,404,371,651,311,712/486,026,478.23
  6. Step 6: Final answer
    x = 362,952,183.79

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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.