Home / 486,026,477.72-670,718,305.20-263,008,135.86

Finding the Fourth Proportional to 486,026,477.72, 670,718,305.20 and 263,008,135.86

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Solution

The fourth proportional to 486,026,477.72, 670,718,305.20 and 263,008,135.86 is: 362,952,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,026,477.72 : 670,718,305.20 = 263,008,135.86 : x
  2. Step 2: Convert to fraction form
    486,026,477.72/670,718,305.20 = 263,008,135.86/x
  3. Step 3: Cross multiply
    486,026,477.72x = 670,718,305.20 × 263,008,135.86
  4. Step 4: Simplify right side
    486,026,477.72x = 176,404,371,137,830,560
  5. Step 5: Solve for x
    x = 176,404,371,137,830,560/486,026,477.72
  6. Step 6: Final answer
    x = 362,952,183.11

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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.