Home / 5,120,661,623.40-7,680,992,435.10-1,440,166,977.90

Finding the Fourth Proportional to 5,120,661,623.40, 7,680,992,435.10 and 1,440,166,977.90

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Solution

The fourth proportional to 5,120,661,623.40, 7,680,992,435.10 and 1,440,166,977.90 is: 2,160,250,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,661,623.40 : 7,680,992,435.10 = 1,440,166,977.90 : x
  2. Step 2: Convert to fraction form
    5,120,661,623.40/7,680,992,435.10 = 1,440,166,977.90/x
  3. Step 3: Cross multiply
    5,120,661,623.40x = 7,680,992,435.10 × 1,440,166,977.90
  4. Step 4: Simplify right side
    5,120,661,623.40x = 11,061,911,662,530,729,984
  5. Step 5: Solve for x
    x = 11,061,911,662,530,729,984/5,120,661,623.40
  6. Step 6: Final answer
    x = 2,160,250,466.85

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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.