Home / 539,136,029.80-808,704,044.70-321,457,796.20

Finding the Fourth Proportional to 539,136,029.80, 808,704,044.70 and 321,457,796.20

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Solution

The fourth proportional to 539,136,029.80, 808,704,044.70 and 321,457,796.20 is: 482,186,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,029.80 : 808,704,044.70 = 321,457,796.20 : x
  2. Step 2: Convert to fraction form
    539,136,029.80/808,704,044.70 = 321,457,796.20/x
  3. Step 3: Cross multiply
    539,136,029.80x = 808,704,044.70 × 321,457,796.20
  4. Step 4: Simplify right side
    539,136,029.80x = 259,964,219,987,288,288
  5. Step 5: Solve for x
    x = 259,964,219,987,288,288/539,136,029.80
  6. Step 6: Final answer
    x = 482,186,694.30

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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.