Home / 11,190,144,976.19-15,449,369,230.07-7,123,341,320.63

Finding the Fourth Proportional to 11,190,144,976.19, 15,449,369,230.07 and 7,123,341,320.63

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Solution

The fourth proportional to 11,190,144,976.19, 15,449,369,230.07 and 7,123,341,320.63 is: 9,834,647,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,144,976.19 : 15,449,369,230.07 = 7,123,341,320.63 : x
  2. Step 2: Convert to fraction form
    11,190,144,976.19/15,449,369,230.07 = 7,123,341,320.63/x
  3. Step 3: Cross multiply
    11,190,144,976.19x = 15,449,369,230.07 × 7,123,341,320.63
  4. Step 4: Simplify right side
    11,190,144,976.19x = 110,051,130,214,114,459,648
  5. Step 5: Solve for x
    x = 110,051,130,214,114,459,648/11,190,144,976.19
  6. Step 6: Final answer
    x = 9,834,647,401.65

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Double scale
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1.5x scale

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.