Home / 511,048,823.58-766,266,206.09-199,785,711.92

Finding the Fourth Proportional to 511,048,823.58, 766,266,206.09 and 199,785,711.92

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Solution

The fourth proportional to 511,048,823.58, 766,266,206.09 and 199,785,711.92 is: 299,558,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,048,823.58 : 766,266,206.09 = 199,785,711.92 : x
  2. Step 2: Convert to fraction form
    511,048,823.58/766,266,206.09 = 199,785,711.92/x
  3. Step 3: Cross multiply
    511,048,823.58x = 766,266,206.09 × 199,785,711.92
  4. Step 4: Simplify right side
    511,048,823.58x = 153,089,039,499,097,824
  5. Step 5: Solve for x
    x = 153,089,039,499,097,824/511,048,823.58
  6. Step 6: Final answer
    x = 299,558,540.08

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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.