Home / 698,665,137.72-1,047,886,645.21-232,287,770.44

Finding the Fourth Proportional to 698,665,137.72, 1,047,886,645.21 and 232,287,770.44

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Solution

The fourth proportional to 698,665,137.72, 1,047,886,645.21 and 232,287,770.44 is: 348,394,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,665,137.72 : 1,047,886,645.21 = 232,287,770.44 : x
  2. Step 2: Convert to fraction form
    698,665,137.72/1,047,886,645.21 = 232,287,770.44/x
  3. Step 3: Cross multiply
    698,665,137.72x = 1,047,886,645.21 × 232,287,770.44
  4. Step 4: Simplify right side
    698,665,137.72x = 243,411,252,491,712,128
  5. Step 5: Solve for x
    x = 243,411,252,491,712,128/698,665,137.72
  6. Step 6: Final answer
    x = 348,394,730.68

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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.