Home / 15,782,365,661.76-21,779,491,041.36-8,548,233,164.64

Finding the Fourth Proportional to 15,782,365,661.76, 21,779,491,041.36 and 8,548,233,164.64

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Solution

The fourth proportional to 15,782,365,661.76, 21,779,491,041.36 and 8,548,233,164.64 is: 11,796,467,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782,365,661.76 : 21,779,491,041.36 = 8,548,233,164.64 : x
  2. Step 2: Convert to fraction form
    15,782,365,661.76/21,779,491,041.36 = 8,548,233,164.64/x
  3. Step 3: Cross multiply
    15,782,365,661.76x = 21,779,491,041.36 × 8,548,233,164.64
  4. Step 4: Simplify right side
    15,782,365,661.76x = 186,176,167,628,733,349,888
  5. Step 5: Solve for x
    x = 186,176,167,628,733,349,888/15,782,365,661.76
  6. Step 6: Final answer
    x = 11,796,467,755.14

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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.