Home / 21,861,140,422.38-30,168,388,017.63-11,836,642,060.14

Finding the Fourth Proportional to 21,861,140,422.38, 30,168,388,017.63 and 11,836,642,060.14

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Solution

The fourth proportional to 21,861,140,422.38, 30,168,388,017.63 and 11,836,642,060.14 is: 16,334,573,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861,140,422.38 : 30,168,388,017.63 = 11,836,642,060.14 : x
  2. Step 2: Convert to fraction form
    21,861,140,422.38/30,168,388,017.63 = 11,836,642,060.14/x
  3. Step 3: Cross multiply
    21,861,140,422.38x = 30,168,388,017.63 × 11,836,642,060.14
  4. Step 4: Simplify right side
    21,861,140,422.38x = 357,092,410,496,102,825,984
  5. Step 5: Solve for x
    x = 357,092,410,496,102,825,984/21,861,140,422.38
  6. Step 6: Final answer
    x = 16,334,573,750.35

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Double scale
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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.