Home / 408,077,824.80-613,311,130.80-355,524,506.40

Finding the Fourth Proportional to 408,077,824.80, 613,311,130.80 and 355,524,506.40

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Solution

The fourth proportional to 408,077,824.80, 613,311,130.80 and 355,524,506.40 is: 534,327,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,077,824.80 : 613,311,130.80 = 355,524,506.40 : x
  2. Step 2: Convert to fraction form
    408,077,824.80/613,311,130.80 = 355,524,506.40/x
  3. Step 3: Cross multiply
    408,077,824.80x = 613,311,130.80 × 355,524,506.40
  4. Step 4: Simplify right side
    408,077,824.80x = 218,047,137,047,295,808
  5. Step 5: Solve for x
    x = 218,047,137,047,295,808/408,077,824.80
  6. Step 6: Final answer
    x = 534,327,336.10

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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.