Home / 296,718,784.84-409,417,781.13-171,225,198.91

Finding the Fourth Proportional to 296,718,784.84, 409,417,781.13 and 171,225,198.91

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Solution

The fourth proportional to 296,718,784.84, 409,417,781.13 and 171,225,198.91 is: 236,259,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,718,784.84 : 409,417,781.13 = 171,225,198.91 : x
  2. Step 2: Convert to fraction form
    296,718,784.84/409,417,781.13 = 171,225,198.91/x
  3. Step 3: Cross multiply
    296,718,784.84x = 409,417,781.13 × 171,225,198.91
  4. Step 4: Simplify right side
    296,718,784.84x = 70,102,641,011,275,096
  5. Step 5: Solve for x
    x = 70,102,641,011,275,096/296,718,784.84
  6. Step 6: Final answer
    x = 236,259,531.22

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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.