Home / 12,756,330,336.66-17,603,891,174.25-7,405,130,447.70

Finding the Fourth Proportional to 12,756,330,336.66, 17,603,891,174.25 and 7,405,130,447.70

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Solution

The fourth proportional to 12,756,330,336.66, 17,603,891,174.25 and 7,405,130,447.70 is: 10,219,170,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,330,336.66 : 17,603,891,174.25 = 7,405,130,447.70 : x
  2. Step 2: Convert to fraction form
    12,756,330,336.66/17,603,891,174.25 = 7,405,130,447.70/x
  3. Step 3: Cross multiply
    12,756,330,336.66x = 17,603,891,174.25 × 7,405,130,447.70
  4. Step 4: Simplify right side
    12,756,330,336.66x = 130,359,110,532,435,984,384
  5. Step 5: Solve for x
    x = 130,359,110,532,435,984,384/12,756,330,336.66
  6. Step 6: Final answer
    x = 10,219,170,176.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.