Home / 15,713,780,606.64-21,681,780,121.80-9,029,485,769.76

Finding the Fourth Proportional to 15,713,780,606.64, 21,681,780,121.80 and 9,029,485,769.76

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Solution

The fourth proportional to 15,713,780,606.64, 21,681,780,121.80 and 9,029,485,769.76 is: 12,458,830,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713,780,606.64 : 21,681,780,121.80 = 9,029,485,769.76 : x
  2. Step 2: Convert to fraction form
    15,713,780,606.64/21,681,780,121.80 = 9,029,485,769.76/x
  3. Step 3: Cross multiply
    15,713,780,606.64x = 21,681,780,121.80 × 9,029,485,769.76
  4. Step 4: Simplify right side
    15,713,780,606.64x = 195,775,325,072,858,349,568
  5. Step 5: Solve for x
    x = 195,775,325,072,858,349,568/15,713,780,606.64
  6. Step 6: Final answer
    x = 12,458,830,244.21

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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.