Home / 510,072,660.88-765,400,549.86-276,922,329.58

Finding the Fourth Proportional to 510,072,660.88, 765,400,549.86 and 276,922,329.58

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Solution

The fourth proportional to 510,072,660.88, 765,400,549.86 and 276,922,329.58 is: 415,541,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,072,660.88 : 765,400,549.86 = 276,922,329.58 : x
  2. Step 2: Convert to fraction form
    510,072,660.88/765,400,549.86 = 276,922,329.58/x
  3. Step 3: Cross multiply
    510,072,660.88x = 765,400,549.86 × 276,922,329.58
  4. Step 4: Simplify right side
    510,072,660.88x = 211,956,503,330,779,072
  5. Step 5: Solve for x
    x = 211,956,503,330,779,072/510,072,660.88
  6. Step 6: Final answer
    x = 415,541,783.72

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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.