Home / 352,746,707.74-486,817,687.24-211,623,213.58

Finding the Fourth Proportional to 352,746,707.74, 486,817,687.24 and 211,623,213.58

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Solution

The fourth proportional to 352,746,707.74, 486,817,687.24 and 211,623,213.58 is: 292,056,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,746,707.74 : 486,817,687.24 = 211,623,213.58 : x
  2. Step 2: Convert to fraction form
    352,746,707.74/486,817,687.24 = 211,623,213.58/x
  3. Step 3: Cross multiply
    352,746,707.74x = 486,817,687.24 × 211,623,213.58
  4. Step 4: Simplify right side
    352,746,707.74x = 103,021,923,401,312,176
  5. Step 5: Solve for x
    x = 103,021,923,401,312,176/352,746,707.74
  6. Step 6: Final answer
    x = 292,056,371.16

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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.