Home / 376,576,064.70-519,175,732.59-309,342,471.54

Finding the Fourth Proportional to 376,576,064.70, 519,175,732.59 and 309,342,471.54

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Solution

The fourth proportional to 376,576,064.70, 519,175,732.59 and 309,342,471.54 is: 426,482,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,576,064.70 : 519,175,732.59 = 309,342,471.54 : x
  2. Step 2: Convert to fraction form
    376,576,064.70/519,175,732.59 = 309,342,471.54/x
  3. Step 3: Cross multiply
    376,576,064.70x = 519,175,732.59 × 309,342,471.54
  4. Step 4: Simplify right side
    376,576,064.70x = 160,603,104,282,980,736
  5. Step 5: Solve for x
    x = 160,603,104,282,980,736/376,576,064.70
  6. Step 6: Final answer
    x = 426,482,507.35

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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.