Home / 331,835,679.70-497,777,434.40-127,363,754.95

Finding the Fourth Proportional to 331,835,679.70, 497,777,434.40 and 127,363,754.95

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Solution

The fourth proportional to 331,835,679.70, 497,777,434.40 and 127,363,754.95 is: 191,054,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,835,679.70 : 497,777,434.40 = 127,363,754.95 : x
  2. Step 2: Convert to fraction form
    331,835,679.70/497,777,434.40 = 127,363,754.95/x
  3. Step 3: Cross multiply
    331,835,679.70x = 497,777,434.40 × 127,363,754.95
  4. Step 4: Simplify right side
    331,835,679.70x = 63,398,803,174,561,296
  5. Step 5: Solve for x
    x = 63,398,803,174,561,296/331,835,679.70
  6. Step 6: Final answer
    x = 191,054,811.32

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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.