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Finding the Fourth Proportional to 18,406,404,212.30, 27,609,606,318.45 and 18,406,404,212.30

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Solution

The fourth proportional to 18,406,404,212.30, 27,609,606,318.45 and 18,406,404,212.30 is: 27,609,606,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406,404,212.30 : 27,609,606,318.45 = 18,406,404,212.30 : x
  2. Step 2: Convert to fraction form
    18,406,404,212.30/27,609,606,318.45 = 18,406,404,212.30/x
  3. Step 3: Cross multiply
    18,406,404,212.30x = 27,609,606,318.45 × 18,406,404,212.30
  4. Step 4: Simplify right side
    18,406,404,212.30x = 508,193,574,039,862,771,712
  5. Step 5: Solve for x
    x = 508,193,574,039,862,771,712/18,406,404,212.30
  6. Step 6: Final answer
    x = 27,609,606,318.45

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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.