Home / 443,385,819.54-611,893,757.25-245,143,646.10

Finding the Fourth Proportional to 443,385,819.54, 611,893,757.25 and 245,143,646.10

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Solution

The fourth proportional to 443,385,819.54, 611,893,757.25 and 245,143,646.10 is: 338,310,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,385,819.54 : 611,893,757.25 = 245,143,646.10 : x
  2. Step 2: Convert to fraction form
    443,385,819.54/611,893,757.25 = 245,143,646.10/x
  3. Step 3: Cross multiply
    443,385,819.54x = 611,893,757.25 × 245,143,646.10
  4. Step 4: Simplify right side
    443,385,819.54x = 150,001,866,678,093,312
  5. Step 5: Solve for x
    x = 150,001,866,678,093,312/443,385,819.54
  6. Step 6: Final answer
    x = 338,310,022.71

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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.