Home / 15,325,884,316.89-21,146,561,555.99-8,806,716,112.01

Finding the Fourth Proportional to 15,325,884,316.89, 21,146,561,555.99 and 8,806,716,112.01

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Solution

The fourth proportional to 15,325,884,316.89, 21,146,561,555.99 and 8,806,716,112.01 is: 12,151,453,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325,884,316.89 : 21,146,561,555.99 = 8,806,716,112.01 : x
  2. Step 2: Convert to fraction form
    15,325,884,316.89/21,146,561,555.99 = 8,806,716,112.01/x
  3. Step 3: Cross multiply
    15,325,884,316.89x = 21,146,561,555.99 × 8,806,716,112.01
  4. Step 4: Simplify right side
    15,325,884,316.89x = 186,231,764,368,598,597,632
  5. Step 5: Solve for x
    x = 186,231,764,368,598,597,632/15,325,884,316.89
  6. Step 6: Final answer
    x = 12,151,453,091.90

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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.