Home / 472,392,018.80-708,588,028.20-443,670,585.20

Finding the Fourth Proportional to 472,392,018.80, 708,588,028.20 and 443,670,585.20

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Solution

The fourth proportional to 472,392,018.80, 708,588,028.20 and 443,670,585.20 is: 665,505,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,018.80 : 708,588,028.20 = 443,670,585.20 : x
  2. Step 2: Convert to fraction form
    472,392,018.80/708,588,028.20 = 443,670,585.20/x
  3. Step 3: Cross multiply
    472,392,018.80x = 708,588,028.20 × 443,670,585.20
  4. Step 4: Simplify right side
    472,392,018.80x = 314,379,665,137,208,128
  5. Step 5: Solve for x
    x = 314,379,665,137,208,128/472,392,018.80
  6. Step 6: Final answer
    x = 665,505,877.80

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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.