Home / 482,442,013.76-723,743,737.14-378,807,038.96

Finding the Fourth Proportional to 482,442,013.76, 723,743,737.14 and 378,807,038.96

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Solution

The fourth proportional to 482,442,013.76, 723,743,737.14 and 378,807,038.96 is: 568,273,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,442,013.76 : 723,743,737.14 = 378,807,038.96 : x
  2. Step 2: Convert to fraction form
    482,442,013.76/723,743,737.14 = 378,807,038.96/x
  3. Step 3: Cross multiply
    482,442,013.76x = 723,743,737.14 × 378,807,038.96
  4. Step 4: Simplify right side
    482,442,013.76x = 274,159,222,031,847,968
  5. Step 5: Solve for x
    x = 274,159,222,031,847,968/482,442,013.76
  6. Step 6: Final answer
    x = 568,273,935.96

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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.