Home / 424,032,833.79-635,312,140.73-297,568,698.21

Finding the Fourth Proportional to 424,032,833.79, 635,312,140.73 and 297,568,698.21

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Solution

The fourth proportional to 424,032,833.79, 635,312,140.73 and 297,568,698.21 is: 445,835,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,032,833.79 : 635,312,140.73 = 297,568,698.21 : x
  2. Step 2: Convert to fraction form
    424,032,833.79/635,312,140.73 = 297,568,698.21/x
  3. Step 3: Cross multiply
    424,032,833.79x = 635,312,140.73 × 297,568,698.21
  4. Step 4: Simplify right side
    424,032,833.79x = 189,049,006,673,662,432
  5. Step 5: Solve for x
    x = 189,049,006,673,662,432/424,032,833.79
  6. Step 6: Final answer
    x = 445,835,774.05

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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.