Home / 551,018,531.58-760,405,531.05-303,499,885.83

Finding the Fourth Proportional to 551,018,531.58, 760,405,531.05 and 303,499,885.83

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Solution

The fourth proportional to 551,018,531.58, 760,405,531.05 and 303,499,885.83 is: 418,829,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,018,531.58 : 760,405,531.05 = 303,499,885.83 : x
  2. Step 2: Convert to fraction form
    551,018,531.58/760,405,531.05 = 303,499,885.83/x
  3. Step 3: Cross multiply
    551,018,531.58x = 760,405,531.05 × 303,499,885.83
  4. Step 4: Simplify right side
    551,018,531.58x = 230,782,991,858,175,488
  5. Step 5: Solve for x
    x = 230,782,991,858,175,488/551,018,531.58
  6. Step 6: Final answer
    x = 418,829,819.02

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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.