Home / 472,540,328.80-708,597,916.80-181,310,660.80

Finding the Fourth Proportional to 472,540,328.80, 708,597,916.80 and 181,310,660.80

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Solution

The fourth proportional to 472,540,328.80, 708,597,916.80 and 181,310,660.80 is: 271,884,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,540,328.80 : 708,597,916.80 = 181,310,660.80 : x
  2. Step 2: Convert to fraction form
    472,540,328.80/708,597,916.80 = 181,310,660.80/x
  3. Step 3: Cross multiply
    472,540,328.80x = 708,597,916.80 × 181,310,660.80
  4. Step 4: Simplify right side
    472,540,328.80x = 128,476,356,536,511,424
  5. Step 5: Solve for x
    x = 128,476,356,536,511,424/472,540,328.80
  6. Step 6: Final answer
    x = 271,884,427.01

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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.