Home / 21,038,670,262.18-29,033,380,614.86-11,393,475,103.36

Finding the Fourth Proportional to 21,038,670,262.18, 29,033,380,614.86 and 11,393,475,103.36

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Solution

The fourth proportional to 21,038,670,262.18, 29,033,380,614.86 and 11,393,475,103.36 is: 15,723,004,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038,670,262.18 : 29,033,380,614.86 = 11,393,475,103.36 : x
  2. Step 2: Convert to fraction form
    21,038,670,262.18/29,033,380,614.86 = 11,393,475,103.36/x
  3. Step 3: Cross multiply
    21,038,670,262.18x = 29,033,380,614.86 × 11,393,475,103.36
  4. Step 4: Simplify right side
    21,038,670,262.18x = 330,791,099,201,782,284,288
  5. Step 5: Solve for x
    x = 330,791,099,201,782,284,288/21,038,670,262.18
  6. Step 6: Final answer
    x = 15,723,004,119.53

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1.5x scale

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.