Home / 7,766,665,238.16-11,658,288,328.20-3,347,265,654.72

Finding the Fourth Proportional to 7,766,665,238.16, 11,658,288,328.20 and 3,347,265,654.72

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Solution

The fourth proportional to 7,766,665,238.16, 11,658,288,328.20 and 3,347,265,654.72 is: 5,024,471,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,665,238.16 : 11,658,288,328.20 = 3,347,265,654.72 : x
  2. Step 2: Convert to fraction form
    7,766,665,238.16/11,658,288,328.20 = 3,347,265,654.72/x
  3. Step 3: Cross multiply
    7,766,665,238.16x = 11,658,288,328.20 × 3,347,265,654.72
  4. Step 4: Simplify right side
    7,766,665,238.16x = 39,023,388,113,806,909,440
  5. Step 5: Solve for x
    x = 39,023,388,113,806,909,440/7,766,665,238.16
  6. Step 6: Final answer
    x = 5,024,471,496.73

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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.