Home / 626,234,136.11-864,179,432.08-347,793,595.77

Finding the Fourth Proportional to 626,234,136.11, 864,179,432.08 and 347,793,595.77

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Solution

The fourth proportional to 626,234,136.11, 864,179,432.08 and 347,793,595.77 is: 479,942,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,234,136.11 : 864,179,432.08 = 347,793,595.77 : x
  2. Step 2: Convert to fraction form
    626,234,136.11/864,179,432.08 = 347,793,595.77/x
  3. Step 3: Cross multiply
    626,234,136.11x = 864,179,432.08 × 347,793,595.77
  4. Step 4: Simplify right side
    626,234,136.11x = 300,556,072,073,579,712
  5. Step 5: Solve for x
    x = 300,556,072,073,579,712/626,234,136.11
  6. Step 6: Final answer
    x = 479,942,013.29

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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.