Home / 12,154,543,183.40-18,252,679,176.29-7,460,429,420.84

Finding the Fourth Proportional to 12,154,543,183.40, 18,252,679,176.29 and 7,460,429,420.84

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Solution

The fourth proportional to 12,154,543,183.40, 18,252,679,176.29 and 7,460,429,420.84 is: 11,203,450,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,543,183.40 : 18,252,679,176.29 = 7,460,429,420.84 : x
  2. Step 2: Convert to fraction form
    12,154,543,183.40/18,252,679,176.29 = 7,460,429,420.84/x
  3. Step 3: Cross multiply
    12,154,543,183.40x = 18,252,679,176.29 × 7,460,429,420.84
  4. Step 4: Simplify right side
    12,154,543,183.40x = 136,172,824,735,871,188,992
  5. Step 5: Solve for x
    x = 136,172,824,735,871,188,992/12,154,543,183.40
  6. Step 6: Final answer
    x = 11,203,450,650.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.