Home / 482,470,080.52-724,011,208.92-206,123,373.67

Finding the Fourth Proportional to 482,470,080.52, 724,011,208.92 and 206,123,373.67

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Solution

The fourth proportional to 482,470,080.52, 724,011,208.92 and 206,123,373.67 is: 309,315,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,470,080.52 : 724,011,208.92 = 206,123,373.67 : x
  2. Step 2: Convert to fraction form
    482,470,080.52/724,011,208.92 = 206,123,373.67/x
  3. Step 3: Cross multiply
    482,470,080.52x = 724,011,208.92 × 206,123,373.67
  4. Step 4: Simplify right side
    482,470,080.52x = 149,235,632,952,834,912
  5. Step 5: Solve for x
    x = 149,235,632,952,834,912/482,470,080.52
  6. Step 6: Final answer
    x = 309,315,829.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.