Home / 12,788,244,534.36-19,088,700,679.96-11,278,596,028.89

Finding the Fourth Proportional to 12,788,244,534.36, 19,088,700,679.96 and 11,278,596,028.89

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Solution

The fourth proportional to 12,788,244,534.36, 19,088,700,679.96 and 11,278,596,028.89 is: 16,835,285,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788,244,534.36 : 19,088,700,679.96 = 11,278,596,028.89 : x
  2. Step 2: Convert to fraction form
    12,788,244,534.36/19,088,700,679.96 = 11,278,596,028.89/x
  3. Step 3: Cross multiply
    12,788,244,534.36x = 19,088,700,679.96 × 11,278,596,028.89
  4. Step 4: Simplify right side
    12,788,244,534.36x = 215,293,743,685,700,550,656
  5. Step 5: Solve for x
    x = 215,293,743,685,700,550,656/12,788,244,534.36
  6. Step 6: Final answer
    x = 16,835,285,179.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.