Home / 376,576,063.20-519,175,730.52-309,342,470.04

Finding the Fourth Proportional to 376,576,063.20, 519,175,730.52 and 309,342,470.04

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Solution

The fourth proportional to 376,576,063.20, 519,175,730.52 and 309,342,470.04 is: 426,482,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,576,063.20 : 519,175,730.52 = 309,342,470.04 : x
  2. Step 2: Convert to fraction form
    376,576,063.20/519,175,730.52 = 309,342,470.04/x
  3. Step 3: Cross multiply
    376,576,063.20x = 519,175,730.52 × 309,342,470.04
  4. Step 4: Simplify right side
    376,576,063.20x = 160,603,102,863,878,208
  5. Step 5: Solve for x
    x = 160,603,102,863,878,208/376,576,063.20
  6. Step 6: Final answer
    x = 426,482,505.28

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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.