Home / 654,815,663.40-982,223,495.10-448,191,402.60

Finding the Fourth Proportional to 654,815,663.40, 982,223,495.10 and 448,191,402.60

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Solution

The fourth proportional to 654,815,663.40, 982,223,495.10 and 448,191,402.60 is: 672,287,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,815,663.40 : 982,223,495.10 = 448,191,402.60 : x
  2. Step 2: Convert to fraction form
    654,815,663.40/982,223,495.10 = 448,191,402.60/x
  3. Step 3: Cross multiply
    654,815,663.40x = 982,223,495.10 × 448,191,402.60
  4. Step 4: Simplify right side
    654,815,663.40x = 440,224,125,935,543,232
  5. Step 5: Solve for x
    x = 440,224,125,935,543,232/654,815,663.40
  6. Step 6: Final answer
    x = 672,287,103.90

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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.