Home / 13,865,362,515.72-19,134,200,271.24-7,925,042,563.56

Finding the Fourth Proportional to 13,865,362,515.72, 19,134,200,271.24 and 7,925,042,563.56

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Solution

The fourth proportional to 13,865,362,515.72, 19,134,200,271.24 and 7,925,042,563.56 is: 10,936,558,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865,362,515.72 : 19,134,200,271.24 = 7,925,042,563.56 : x
  2. Step 2: Convert to fraction form
    13,865,362,515.72/19,134,200,271.24 = 7,925,042,563.56/x
  3. Step 3: Cross multiply
    13,865,362,515.72x = 19,134,200,271.24 × 7,925,042,563.56
  4. Step 4: Simplify right side
    13,865,362,515.72x = 151,639,351,569,258,315,776
  5. Step 5: Solve for x
    x = 151,639,351,569,258,315,776/13,865,362,515.72
  6. Step 6: Final answer
    x = 10,936,558,737.45

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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.