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Finding the Fourth Proportional to 76,558,839,638.40, 114,838,259,457.60 and 76,558,839,638.40

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Solution

The fourth proportional to 76,558,839,638.40, 114,838,259,457.60 and 76,558,839,638.40 is: 114,838,259,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,558,839,638.40 : 114,838,259,457.60 = 76,558,839,638.40 : x
  2. Step 2: Convert to fraction form
    76,558,839,638.40/114,838,259,457.60 = 76,558,839,638.40/x
  3. Step 3: Cross multiply
    76,558,839,638.40x = 114,838,259,457.60 × 76,558,839,638.40
  4. Step 4: Simplify right side
    76,558,839,638.40x = 8,791,883,890,167,370,481,664
  5. Step 5: Solve for x
    x = 8,791,883,890,167,370,481,664/76,558,839,638.40
  6. Step 6: Final answer
    x = 114,838,259,457.60

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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.