Home / 363,420,005.10-545,130,007.65-218,301,182.70

Finding the Fourth Proportional to 363,420,005.10, 545,130,007.65 and 218,301,182.70

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Solution

The fourth proportional to 363,420,005.10, 545,130,007.65 and 218,301,182.70 is: 327,451,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,420,005.10 : 545,130,007.65 = 218,301,182.70 : x
  2. Step 2: Convert to fraction form
    363,420,005.10/545,130,007.65 = 218,301,182.70/x
  3. Step 3: Cross multiply
    363,420,005.10x = 545,130,007.65 × 218,301,182.70
  4. Step 4: Simplify right side
    363,420,005.10x = 119,002,525,395,255,040
  5. Step 5: Solve for x
    x = 119,002,525,395,255,040/363,420,005.10
  6. Step 6: Final answer
    x = 327,451,774.05

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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.