Home / 346,306,521.84-477,910,736.10-197,624,682.78

Finding the Fourth Proportional to 346,306,521.84, 477,910,736.10 and 197,624,682.78

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Solution

The fourth proportional to 346,306,521.84, 477,910,736.10 and 197,624,682.78 is: 272,726,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,306,521.84 : 477,910,736.10 = 197,624,682.78 : x
  2. Step 2: Convert to fraction form
    346,306,521.84/477,910,736.10 = 197,624,682.78/x
  3. Step 3: Cross multiply
    346,306,521.84x = 477,910,736.10 × 197,624,682.78
  4. Step 4: Simplify right side
    346,306,521.84x = 94,446,957,618,918,800
  5. Step 5: Solve for x
    x = 94,446,957,618,918,800/346,306,521.84
  6. Step 6: Final answer
    x = 272,726,476.87

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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.