Home / 497,849,234.52-687,013,937.37-274,826,129.43

Finding the Fourth Proportional to 497,849,234.52, 687,013,937.37 and 274,826,129.43

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Solution

The fourth proportional to 497,849,234.52, 687,013,937.37 and 274,826,129.43 is: 379,250,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,849,234.52 : 687,013,937.37 = 274,826,129.43 : x
  2. Step 2: Convert to fraction form
    497,849,234.52/687,013,937.37 = 274,826,129.43/x
  3. Step 3: Cross multiply
    497,849,234.52x = 687,013,937.37 × 274,826,129.43
  4. Step 4: Simplify right side
    497,849,234.52x = 188,809,381,271,861,536
  5. Step 5: Solve for x
    x = 188,809,381,271,861,536/497,849,234.52
  6. Step 6: Final answer
    x = 379,250,118.67

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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.