Home / 18,409,672,525.49-27,611,485,479.42-7,926,066,526.13

Finding the Fourth Proportional to 18,409,672,525.49, 27,611,485,479.42 and 7,926,066,526.13

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Solution

The fourth proportional to 18,409,672,525.49, 27,611,485,479.42 and 7,926,066,526.13 is: 11,887,798,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,672,525.49 : 27,611,485,479.42 = 7,926,066,526.13 : x
  2. Step 2: Convert to fraction form
    18,409,672,525.49/27,611,485,479.42 = 7,926,066,526.13/x
  3. Step 3: Cross multiply
    18,409,672,525.49x = 27,611,485,479.42 × 7,926,066,526.13
  4. Step 4: Simplify right side
    18,409,672,525.49x = 218,850,470,795,155,406,848
  5. Step 5: Solve for x
    x = 218,850,470,795,155,406,848/18,409,672,525.49
  6. Step 6: Final answer
    x = 11,887,798,139.38

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1.5x scale

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.