Home / 482,442,011.76-723,743,734.14-378,807,036.96

Finding the Fourth Proportional to 482,442,011.76, 723,743,734.14 and 378,807,036.96

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Solution

The fourth proportional to 482,442,011.76, 723,743,734.14 and 378,807,036.96 is: 568,273,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,442,011.76 : 723,743,734.14 = 378,807,036.96 : x
  2. Step 2: Convert to fraction form
    482,442,011.76/723,743,734.14 = 378,807,036.96/x
  3. Step 3: Cross multiply
    482,442,011.76x = 723,743,734.14 × 378,807,036.96
  4. Step 4: Simplify right side
    482,442,011.76x = 274,159,219,447,939,360
  5. Step 5: Solve for x
    x = 274,159,219,447,939,360/482,442,011.76
  6. Step 6: Final answer
    x = 568,273,932.96

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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.