Home / 383,384,327.20-575,076,490.80-315,359,879.20

Finding the Fourth Proportional to 383,384,327.20, 575,076,490.80 and 315,359,879.20

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Solution

The fourth proportional to 383,384,327.20, 575,076,490.80 and 315,359,879.20 is: 473,039,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,384,327.20 : 575,076,490.80 = 315,359,879.20 : x
  2. Step 2: Convert to fraction form
    383,384,327.20/575,076,490.80 = 315,359,879.20/x
  3. Step 3: Cross multiply
    383,384,327.20x = 575,076,490.80 × 315,359,879.20
  4. Step 4: Simplify right side
    383,384,327.20x = 181,356,052,669,447,904
  5. Step 5: Solve for x
    x = 181,356,052,669,447,904/383,384,327.20
  6. Step 6: Final answer
    x = 473,039,818.80

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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.