Home / 384,866,426.80-531,192,827.64-228,320,426.80

Finding the Fourth Proportional to 384,866,426.80, 531,192,827.64 and 228,320,426.80

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Solution

The fourth proportional to 384,866,426.80, 531,192,827.64 and 228,320,426.80 is: 315,127,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,866,426.80 : 531,192,827.64 = 228,320,426.80 : x
  2. Step 2: Convert to fraction form
    384,866,426.80/531,192,827.64 = 228,320,426.80/x
  3. Step 3: Cross multiply
    384,866,426.80x = 531,192,827.64 × 228,320,426.80
  4. Step 4: Simplify right side
    384,866,426.80x = 121,282,173,119,863,632
  5. Step 5: Solve for x
    x = 121,282,173,119,863,632/384,866,426.80
  6. Step 6: Final answer
    x = 315,127,963.04

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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.