Home / 18,899,183,729.80-28,346,088,209.10-6,478,087,486.60

Finding the Fourth Proportional to 18,899,183,729.80, 28,346,088,209.10 and 6,478,087,486.60

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Solution

The fourth proportional to 18,899,183,729.80, 28,346,088,209.10 and 6,478,087,486.60 is: 9,716,210,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899,183,729.80 : 28,346,088,209.10 = 6,478,087,486.60 : x
  2. Step 2: Convert to fraction form
    18,899,183,729.80/28,346,088,209.10 = 6,478,087,486.60/x
  3. Step 3: Cross multiply
    18,899,183,729.80x = 28,346,088,209.10 × 6,478,087,486.60
  4. Step 4: Simplify right side
    18,899,183,729.80x = 183,628,439,321,430,523,904
  5. Step 5: Solve for x
    x = 183,628,439,321,430,523,904/18,899,183,729.80
  6. Step 6: Final answer
    x = 9,716,210,072.71

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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.