Home / 19,128,521,450.58-26,406,916,451.66-11,896,899,882.66

Finding the Fourth Proportional to 19,128,521,450.58, 26,406,916,451.66 and 11,896,899,882.66

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Solution

The fourth proportional to 19,128,521,450.58, 26,406,916,451.66 and 11,896,899,882.66 is: 16,423,665,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,521,450.58 : 26,406,916,451.66 = 11,896,899,882.66 : x
  2. Step 2: Convert to fraction form
    19,128,521,450.58/26,406,916,451.66 = 11,896,899,882.66/x
  3. Step 3: Cross multiply
    19,128,521,450.58x = 26,406,916,451.66 × 11,896,899,882.66
  4. Step 4: Simplify right side
    19,128,521,450.58x = 314,160,441,235,106,758,656
  5. Step 5: Solve for x
    x = 314,160,441,235,106,758,656/19,128,521,450.58
  6. Step 6: Final answer
    x = 16,423,665,678.85

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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.