Home / 13,684,398,130.88-18,884,469,415.20-7,426,148,914.88

Finding the Fourth Proportional to 13,684,398,130.88, 18,884,469,415.20 and 7,426,148,914.88

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Solution

The fourth proportional to 13,684,398,130.88, 18,884,469,415.20 and 7,426,148,914.88 is: 10,248,085,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684,398,130.88 : 18,884,469,415.20 = 7,426,148,914.88 : x
  2. Step 2: Convert to fraction form
    13,684,398,130.88/18,884,469,415.20 = 7,426,148,914.88/x
  3. Step 3: Cross multiply
    13,684,398,130.88x = 18,884,469,415.20 × 7,426,148,914.88
  4. Step 4: Simplify right side
    13,684,398,130.88x = 140,238,882,055,772,028,928
  5. Step 5: Solve for x
    x = 140,238,882,055,772,028,928/13,684,398,130.88
  6. Step 6: Final answer
    x = 10,248,085,499.60

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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.