Home / 823,128,373-1,234,935,103.29-331,588,701.37

Finding the Fourth Proportional to 823,128,373, 1,234,935,103.29 and 331,588,701.37

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Solution

The fourth proportional to 823,128,373, 1,234,935,103.29 and 331,588,701.37 is: 497,480,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,128,373 : 1,234,935,103.29 = 331,588,701.37 : x
  2. Step 2: Convert to fraction form
    823,128,373/1,234,935,103.29 = 331,588,701.37/x
  3. Step 3: Cross multiply
    823,128,373x = 1,234,935,103.29 × 331,588,701.37
  4. Step 4: Simplify right side
    823,128,373x = 409,490,527,176,157,888
  5. Step 5: Solve for x
    x = 409,490,527,176,157,888/823,128,373
  6. Step 6: Final answer
    x = 497,480,758.30

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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.