Home / 296,957,153.40-445,435,730.10-258,693,401.40

Finding the Fourth Proportional to 296,957,153.40, 445,435,730.10 and 258,693,401.40

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Solution

The fourth proportional to 296,957,153.40, 445,435,730.10 and 258,693,401.40 is: 388,040,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,957,153.40 : 445,435,730.10 = 258,693,401.40 : x
  2. Step 2: Convert to fraction form
    296,957,153.40/445,435,730.10 = 258,693,401.40/x
  3. Step 3: Cross multiply
    296,957,153.40x = 445,435,730.10 × 258,693,401.40
  4. Step 4: Simplify right side
    296,957,153.40x = 115,231,284,124,661,376
  5. Step 5: Solve for x
    x = 115,231,284,124,661,376/296,957,153.40
  6. Step 6: Final answer
    x = 388,040,102.10

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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.