Home / 653,481,407.18-901,781,436.64-356,117,581.44

Finding the Fourth Proportional to 653,481,407.18, 901,781,436.64 and 356,117,581.44

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Solution

The fourth proportional to 653,481,407.18, 901,781,436.64 and 356,117,581.44 is: 491,429,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,481,407.18 : 901,781,436.64 = 356,117,581.44 : x
  2. Step 2: Convert to fraction form
    653,481,407.18/901,781,436.64 = 356,117,581.44/x
  3. Step 3: Cross multiply
    653,481,407.18x = 901,781,436.64 × 356,117,581.44
  4. Step 4: Simplify right side
    653,481,407.18x = 321,140,224,203,725,376
  5. Step 5: Solve for x
    x = 321,140,224,203,725,376/653,481,407.18
  6. Step 6: Final answer
    x = 491,429,780.06

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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.