Home / 756,115,521.72-1,134,173,283.22-181,686,849.72

Finding the Fourth Proportional to 756,115,521.72, 1,134,173,283.22 and 181,686,849.72

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Solution

The fourth proportional to 756,115,521.72, 1,134,173,283.22 and 181,686,849.72 is: 272,530,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,115,521.72 : 1,134,173,283.22 = 181,686,849.72 : x
  2. Step 2: Convert to fraction form
    756,115,521.72/1,134,173,283.22 = 181,686,849.72/x
  3. Step 3: Cross multiply
    756,115,521.72x = 1,134,173,283.22 × 181,686,849.72
  4. Step 4: Simplify right side
    756,115,521.72x = 206,064,370,864,831,136
  5. Step 5: Solve for x
    x = 206,064,370,864,831,136/756,115,521.72
  6. Step 6: Final answer
    x = 272,530,274.73

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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.