Home / 20,782,398,379.10-31,173,597,017.03-9,586,960,192.14

Finding the Fourth Proportional to 20,782,398,379.10, 31,173,597,017.03 and 9,586,960,192.14

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Solution

The fourth proportional to 20,782,398,379.10, 31,173,597,017.03 and 9,586,960,192.14 is: 14,380,440,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,782,398,379.10 : 31,173,597,017.03 = 9,586,960,192.14 : x
  2. Step 2: Convert to fraction form
    20,782,398,379.10/31,173,597,017.03 = 9,586,960,192.14/x
  3. Step 3: Cross multiply
    20,782,398,379.10x = 31,173,597,017.03 × 9,586,960,192.14
  4. Step 4: Simplify right side
    20,782,398,379.10x = 298,860,033,648,012,754,944
  5. Step 5: Solve for x
    x = 298,860,033,648,012,754,944/20,782,398,379.10
  6. Step 6: Final answer
    x = 14,380,440,033.75

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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.