Home / 512,370,649.51-707,071,830.06-277,421,469.28

Finding the Fourth Proportional to 512,370,649.51, 707,071,830.06 and 277,421,469.28

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Solution

The fourth proportional to 512,370,649.51, 707,071,830.06 and 277,421,469.28 is: 382,841,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,370,649.51 : 707,071,830.06 = 277,421,469.28 : x
  2. Step 2: Convert to fraction form
    512,370,649.51/707,071,830.06 = 277,421,469.28/x
  3. Step 3: Cross multiply
    512,370,649.51x = 707,071,830.06 × 277,421,469.28
  4. Step 4: Simplify right side
    512,370,649.51x = 196,156,905,981,743,648
  5. Step 5: Solve for x
    x = 196,156,905,981,743,648/512,370,649.51
  6. Step 6: Final answer
    x = 382,841,808.31

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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.