Home / 654,816,187.40-982,224,281.10-448,191,926.60

Finding the Fourth Proportional to 654,816,187.40, 982,224,281.10 and 448,191,926.60

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Solution

The fourth proportional to 654,816,187.40, 982,224,281.10 and 448,191,926.60 is: 672,287,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,816,187.40 : 982,224,281.10 = 448,191,926.60 : x
  2. Step 2: Convert to fraction form
    654,816,187.40/982,224,281.10 = 448,191,926.60/x
  3. Step 3: Cross multiply
    654,816,187.40x = 982,224,281.10 × 448,191,926.60
  4. Step 4: Simplify right side
    654,816,187.40x = 440,224,992,899,508,992
  5. Step 5: Solve for x
    x = 440,224,992,899,508,992/654,816,187.40
  6. Step 6: Final answer
    x = 672,287,889.90

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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.