Home / 410,688,004.80-616,032,007.20-330,066,436.80

Finding the Fourth Proportional to 410,688,004.80, 616,032,007.20 and 330,066,436.80

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Solution

The fourth proportional to 410,688,004.80, 616,032,007.20 and 330,066,436.80 is: 495,099,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,688,004.80 : 616,032,007.20 = 330,066,436.80 : x
  2. Step 2: Convert to fraction form
    410,688,004.80/616,032,007.20 = 330,066,436.80/x
  3. Step 3: Cross multiply
    410,688,004.80x = 616,032,007.20 × 330,066,436.80
  4. Step 4: Simplify right side
    410,688,004.80x = 203,331,489,571,255,968
  5. Step 5: Solve for x
    x = 203,331,489,571,255,968/410,688,004.80
  6. Step 6: Final answer
    x = 495,099,655.20

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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.