Home / 277,891,574.72-383,239,471.20-173,479,271.36

Finding the Fourth Proportional to 277,891,574.72, 383,239,471.20 and 173,479,271.36

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Solution

The fourth proportional to 277,891,574.72, 383,239,471.20 and 173,479,271.36 is: 239,244,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,891,574.72 : 383,239,471.20 = 173,479,271.36 : x
  2. Step 2: Convert to fraction form
    277,891,574.72/383,239,471.20 = 173,479,271.36/x
  3. Step 3: Cross multiply
    277,891,574.72x = 383,239,471.20 × 173,479,271.36
  4. Step 4: Simplify right side
    277,891,574.72x = 66,484,104,220,167,712
  5. Step 5: Solve for x
    x = 66,484,104,220,167,712/277,891,574.72
  6. Step 6: Final answer
    x = 239,244,764.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.