Home / 479,131,521.94-661,203,492.77-259,114,947.94

Finding the Fourth Proportional to 479,131,521.94, 661,203,492.77 and 259,114,947.94

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Solution

The fourth proportional to 479,131,521.94, 661,203,492.77 and 259,114,947.94 is: 357,579,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,131,521.94 : 661,203,492.77 = 259,114,947.94 : x
  2. Step 2: Convert to fraction form
    479,131,521.94/661,203,492.77 = 259,114,947.94/x
  3. Step 3: Cross multiply
    479,131,521.94x = 661,203,492.77 × 259,114,947.94
  4. Step 4: Simplify right side
    479,131,521.94x = 171,327,708,602,243,136
  5. Step 5: Solve for x
    x = 171,327,708,602,243,136/479,131,521.94
  6. Step 6: Final answer
    x = 357,579,705.69

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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.