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Finding the Fourth Proportional to 98,649,212,912.55, 147,973,819,368.83 and 98,649,212,912.55

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Solution

The fourth proportional to 98,649,212,912.55, 147,973,819,368.83 and 98,649,212,912.55 is: 147,973,819,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,649,212,912.55 : 147,973,819,368.83 = 98,649,212,912.55 : x
  2. Step 2: Convert to fraction form
    98,649,212,912.55/147,973,819,368.83 = 98,649,212,912.55/x
  3. Step 3: Cross multiply
    98,649,212,912.55x = 147,973,819,368.83 × 98,649,212,912.55
  4. Step 4: Simplify right side
    98,649,212,912.55x = 14,597,500,812,398,925,185,024
  5. Step 5: Solve for x
    x = 14,597,500,812,398,925,185,024/98,649,212,912.55
  6. Step 6: Final answer
    x = 147,973,819,368.83

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Double scale
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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.