Home / 39,619,158,915.37-54,674,872,835.75-21,554,777,823.25

Finding the Fourth Proportional to 39,619,158,915.37, 54,674,872,835.75 and 21,554,777,823.25

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Solution

The fourth proportional to 39,619,158,915.37, 54,674,872,835.75 and 21,554,777,823.25 is: 29,745,829,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,619,158,915.37 : 54,674,872,835.75 = 21,554,777,823.25 : x
  2. Step 2: Convert to fraction form
    39,619,158,915.37/54,674,872,835.75 = 21,554,777,823.25/x
  3. Step 3: Cross multiply
    39,619,158,915.37x = 54,674,872,835.75 × 21,554,777,823.25
  4. Step 4: Simplify right side
    39,619,158,915.37x = 1,178,504,736,489,037,889,536
  5. Step 5: Solve for x
    x = 1,178,504,736,489,037,889,536/39,619,158,915.37
  6. Step 6: Final answer
    x = 29,745,829,259.18

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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.