Home / 384,913,288.80-577,369,933.20-231,858,280.80

Finding the Fourth Proportional to 384,913,288.80, 577,369,933.20 and 231,858,280.80

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Solution

The fourth proportional to 384,913,288.80, 577,369,933.20 and 231,858,280.80 is: 347,787,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,913,288.80 : 577,369,933.20 = 231,858,280.80 : x
  2. Step 2: Convert to fraction form
    384,913,288.80/577,369,933.20 = 231,858,280.80/x
  3. Step 3: Cross multiply
    384,913,288.80x = 577,369,933.20 × 231,858,280.80
  4. Step 4: Simplify right side
    384,913,288.80x = 133,868,000,097,362,864
  5. Step 5: Solve for x
    x = 133,868,000,097,362,864/384,913,288.80
  6. Step 6: Final answer
    x = 347,787,421.20

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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.