Home / 376,576,032.70-519,175,688.25-309,342,439.54

Finding the Fourth Proportional to 376,576,032.70, 519,175,688.25 and 309,342,439.54

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Solution

The fourth proportional to 376,576,032.70, 519,175,688.25 and 309,342,439.54 is: 426,482,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,576,032.70 : 519,175,688.25 = 309,342,439.54 : x
  2. Step 2: Convert to fraction form
    376,576,032.70/519,175,688.25 = 309,342,439.54/x
  3. Step 3: Cross multiply
    376,576,032.70x = 519,175,688.25 × 309,342,439.54
  4. Step 4: Simplify right side
    376,576,032.70x = 160,603,073,953,113,536
  5. Step 5: Solve for x
    x = 160,603,073,953,113,536/376,576,032.70
  6. Step 6: Final answer
    x = 426,482,463.05

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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.