Home / 454,720,005.80-682,080,008.70-167,617,644.20

Finding the Fourth Proportional to 454,720,005.80, 682,080,008.70 and 167,617,644.20

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Solution

The fourth proportional to 454,720,005.80, 682,080,008.70 and 167,617,644.20 is: 251,426,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,720,005.80 : 682,080,008.70 = 167,617,644.20 : x
  2. Step 2: Convert to fraction form
    454,720,005.80/682,080,008.70 = 167,617,644.20/x
  3. Step 3: Cross multiply
    454,720,005.80x = 682,080,008.70 × 167,617,644.20
  4. Step 4: Simplify right side
    454,720,005.80x = 114,328,644,214,209,504
  5. Step 5: Solve for x
    x = 114,328,644,214,209,504/454,720,005.80
  6. Step 6: Final answer
    x = 251,426,466.30

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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.