Home / 543,615,488.76-815,529,814.56-216,029,942.76

Finding the Fourth Proportional to 543,615,488.76, 815,529,814.56 and 216,029,942.76

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Solution

The fourth proportional to 543,615,488.76, 815,529,814.56 and 216,029,942.76 is: 324,087,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,615,488.76 : 815,529,814.56 = 216,029,942.76 : x
  2. Step 2: Convert to fraction form
    543,615,488.76/815,529,814.56 = 216,029,942.76/x
  3. Step 3: Cross multiply
    543,615,488.76x = 815,529,814.56 × 216,029,942.76
  4. Step 4: Simplify right side
    543,615,488.76x = 176,178,859,158,470,208
  5. Step 5: Solve for x
    x = 176,178,859,158,470,208/543,615,488.76
  6. Step 6: Final answer
    x = 324,087,269.04

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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.