Home / 394,964,410.16-545,044,206.23-218,748,622.11

Finding the Fourth Proportional to 394,964,410.16, 545,044,206.23 and 218,748,622.11

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Solution

The fourth proportional to 394,964,410.16, 545,044,206.23 and 218,748,622.11 is: 301,869,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,964,410.16 : 545,044,206.23 = 218,748,622.11 : x
  2. Step 2: Convert to fraction form
    394,964,410.16/545,044,206.23 = 218,748,622.11/x
  3. Step 3: Cross multiply
    394,964,410.16x = 545,044,206.23 × 218,748,622.11
  4. Step 4: Simplify right side
    394,964,410.16x = 119,227,669,101,851,184
  5. Step 5: Solve for x
    x = 119,227,669,101,851,184/394,964,410.16
  6. Step 6: Final answer
    x = 301,869,398.95

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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.