Home / 653,467,816.89-901,759,348.10-356,103,721.22

Finding the Fourth Proportional to 653,467,816.89, 901,759,348.10 and 356,103,721.22

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Solution

The fourth proportional to 653,467,816.89, 901,759,348.10 and 356,103,721.22 is: 491,408,836.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,467,816.89 : 901,759,348.10 = 356,103,721.22 : x
  2. Step 2: Convert to fraction form
    653,467,816.89/901,759,348.10 = 356,103,721.22/x
  3. Step 3: Cross multiply
    653,467,816.89x = 901,759,348.10 × 356,103,721.22
  4. Step 4: Simplify right side
    653,467,816.89x = 321,119,859,497,041,984
  5. Step 5: Solve for x
    x = 321,119,859,497,041,984/653,467,816.89
  6. Step 6: Final answer
    x = 491,408,836.36

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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.