Home / 363,384,014.40-545,076,021.60-210,329,006.40

Finding the Fourth Proportional to 363,384,014.40, 545,076,021.60 and 210,329,006.40

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Solution

The fourth proportional to 363,384,014.40, 545,076,021.60 and 210,329,006.40 is: 315,493,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,384,014.40 : 545,076,021.60 = 210,329,006.40 : x
  2. Step 2: Convert to fraction form
    363,384,014.40/545,076,021.60 = 210,329,006.40/x
  3. Step 3: Cross multiply
    363,384,014.40x = 545,076,021.60 × 210,329,006.40
  4. Step 4: Simplify right side
    363,384,014.40x = 114,645,298,035,592,944
  5. Step 5: Solve for x
    x = 114,645,298,035,592,944/363,384,014.40
  6. Step 6: Final answer
    x = 315,493,509.60

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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.