Home / 376,576,033.70-519,175,689.62-309,342,440.54

Finding the Fourth Proportional to 376,576,033.70, 519,175,689.62 and 309,342,440.54

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Solution

The fourth proportional to 376,576,033.70, 519,175,689.62 and 309,342,440.54 is: 426,482,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,576,033.70 : 519,175,689.62 = 309,342,440.54 : x
  2. Step 2: Convert to fraction form
    376,576,033.70/519,175,689.62 = 309,342,440.54/x
  3. Step 3: Cross multiply
    376,576,033.70x = 519,175,689.62 × 309,342,440.54
  4. Step 4: Simplify right side
    376,576,033.70x = 160,603,074,896,088,352
  5. Step 5: Solve for x
    x = 160,603,074,896,088,352/376,576,033.70
  6. Step 6: Final answer
    x = 426,482,464.43

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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.