Home / 923,942,542.80-1,386,088,608.96-371,287,992.72

Finding the Fourth Proportional to 923,942,542.80, 1,386,088,608.96 and 371,287,992.72

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Solution

The fourth proportional to 923,942,542.80, 1,386,088,608.96 and 371,287,992.72 is: 557,002,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,942,542.80 : 1,386,088,608.96 = 371,287,992.72 : x
  2. Step 2: Convert to fraction form
    923,942,542.80/1,386,088,608.96 = 371,287,992.72/x
  3. Step 3: Cross multiply
    923,942,542.80x = 1,386,088,608.96 × 371,287,992.72
  4. Step 4: Simplify right side
    923,942,542.80x = 514,638,057,352,815,488
  5. Step 5: Solve for x
    x = 514,638,057,352,815,488/923,942,542.80
  6. Step 6: Final answer
    x = 557,002,230.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.