Home / 10,509,530,648.88-14,425,898,138.61-9,293,455,072.56

Finding the Fourth Proportional to 10,509,530,648.88, 14,425,898,138.61 and 9,293,455,072.56

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Solution

The fourth proportional to 10,509,530,648.88, 14,425,898,138.61 and 9,293,455,072.56 is: 12,756,653,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,530,648.88 : 14,425,898,138.61 = 9,293,455,072.56 : x
  2. Step 2: Convert to fraction form
    10,509,530,648.88/14,425,898,138.61 = 9,293,455,072.56/x
  3. Step 3: Cross multiply
    10,509,530,648.88x = 14,425,898,138.61 × 9,293,455,072.56
  4. Step 4: Simplify right side
    10,509,530,648.88x = 134,066,436,232,498,970,624
  5. Step 5: Solve for x
    x = 134,066,436,232,498,970,624/10,509,530,648.88
  6. Step 6: Final answer
    x = 12,756,653,052.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.