Home / 551,018,532.58-760,405,532.43-303,499,886.83

Finding the Fourth Proportional to 551,018,532.58, 760,405,532.43 and 303,499,886.83

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Solution

The fourth proportional to 551,018,532.58, 760,405,532.43 and 303,499,886.83 is: 418,829,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,018,532.58 : 760,405,532.43 = 303,499,886.83 : x
  2. Step 2: Convert to fraction form
    551,018,532.58/760,405,532.43 = 303,499,886.83/x
  3. Step 3: Cross multiply
    551,018,532.58x = 760,405,532.43 × 303,499,886.83
  4. Step 4: Simplify right side
    551,018,532.58x = 230,782,993,037,410,880
  5. Step 5: Solve for x
    x = 230,782,993,037,410,880/551,018,532.58
  6. Step 6: Final answer
    x = 418,829,820.40

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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.