Home / 12,425,824,902.81-18,638,807,036.90-4,144,689,216.57

Finding the Fourth Proportional to 12,425,824,902.81, 18,638,807,036.90 and 4,144,689,216.57

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Solution

The fourth proportional to 12,425,824,902.81, 18,638,807,036.90 and 4,144,689,216.57 is: 6,217,057,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,824,902.81 : 18,638,807,036.90 = 4,144,689,216.57 : x
  2. Step 2: Convert to fraction form
    12,425,824,902.81/18,638,807,036.90 = 4,144,689,216.57/x
  3. Step 3: Cross multiply
    12,425,824,902.81x = 18,638,807,036.90 × 4,144,689,216.57
  4. Step 4: Simplify right side
    12,425,824,902.81x = 77,252,062,535,643,447,296
  5. Step 5: Solve for x
    x = 77,252,062,535,643,447,296/12,425,824,902.81
  6. Step 6: Final answer
    x = 6,217,057,067.83

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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.