Home / 664,013,143.80-996,019,715.70-233,191,639.80

Finding the Fourth Proportional to 664,013,143.80, 996,019,715.70 and 233,191,639.80

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Solution

The fourth proportional to 664,013,143.80, 996,019,715.70 and 233,191,639.80 is: 349,787,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,013,143.80 : 996,019,715.70 = 233,191,639.80 : x
  2. Step 2: Convert to fraction form
    664,013,143.80/996,019,715.70 = 233,191,639.80/x
  3. Step 3: Cross multiply
    664,013,143.80x = 996,019,715.70 × 233,191,639.80
  4. Step 4: Simplify right side
    664,013,143.80x = 232,263,470,777,212,832
  5. Step 5: Solve for x
    x = 232,263,470,777,212,832/664,013,143.80
  6. Step 6: Final answer
    x = 349,787,459.70

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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.