Home / 19,128,521,451.58-26,406,916,453.04-11,896,899,883.66

Finding the Fourth Proportional to 19,128,521,451.58, 26,406,916,453.04 and 11,896,899,883.66

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Solution

The fourth proportional to 19,128,521,451.58, 26,406,916,453.04 and 11,896,899,883.66 is: 16,423,665,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,521,451.58 : 26,406,916,453.04 = 11,896,899,883.66 : x
  2. Step 2: Convert to fraction form
    19,128,521,451.58/26,406,916,453.04 = 11,896,899,883.66/x
  3. Step 3: Cross multiply
    19,128,521,451.58x = 26,406,916,453.04 × 11,896,899,883.66
  4. Step 4: Simplify right side
    19,128,521,451.58x = 314,160,441,277,990,895,616
  5. Step 5: Solve for x
    x = 314,160,441,277,990,895,616/19,128,521,451.58
  6. Step 6: Final answer
    x = 16,423,665,680.24

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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.