Home / 382,232,638.20-570,558,513.63-327,993,769.68

Finding the Fourth Proportional to 382,232,638.20, 570,558,513.63 and 327,993,769.68

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Solution

The fourth proportional to 382,232,638.20, 570,558,513.63 and 327,993,769.68 is: 489,596,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,232,638.20 : 570,558,513.63 = 327,993,769.68 : x
  2. Step 2: Convert to fraction form
    382,232,638.20/570,558,513.63 = 327,993,769.68/x
  3. Step 3: Cross multiply
    382,232,638.20x = 570,558,513.63 × 327,993,769.68
  4. Step 4: Simplify right side
    382,232,638.20x = 187,139,637,708,521,376
  5. Step 5: Solve for x
    x = 187,139,637,708,521,376/382,232,638.20
  6. Step 6: Final answer
    x = 489,596,175.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.