Home / 398,508,726.88-597,935,734.80-214,061,006.98

Finding the Fourth Proportional to 398,508,726.88, 597,935,734.80 and 214,061,006.98

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Solution

The fourth proportional to 398,508,726.88, 597,935,734.80 and 214,061,006.98 is: 321,184,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,508,726.88 : 597,935,734.80 = 214,061,006.98 : x
  2. Step 2: Convert to fraction form
    398,508,726.88/597,935,734.80 = 214,061,006.98/x
  3. Step 3: Cross multiply
    398,508,726.88x = 597,935,734.80 × 214,061,006.98
  4. Step 4: Simplify right side
    398,508,726.88x = 127,994,725,500,614,208
  5. Step 5: Solve for x
    x = 127,994,725,500,614,208/398,508,726.88
  6. Step 6: Final answer
    x = 321,184,247.34

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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.