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Finding the Fourth Proportional to 8,692,397,998.70, 13,038,596,998.05 and 8,692,397,998.70

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Solution

The fourth proportional to 8,692,397,998.70, 13,038,596,998.05 and 8,692,397,998.70 is: 13,038,596,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692,397,998.70 : 13,038,596,998.05 = 8,692,397,998.70 : x
  2. Step 2: Convert to fraction form
    8,692,397,998.70/13,038,596,998.05 = 8,692,397,998.70/x
  3. Step 3: Cross multiply
    8,692,397,998.70x = 13,038,596,998.05 × 8,692,397,998.70
  4. Step 4: Simplify right side
    8,692,397,998.70x = 113,336,674,451,705,643,008
  5. Step 5: Solve for x
    x = 113,336,674,451,705,643,008/8,692,397,998.70
  6. Step 6: Final answer
    x = 13,038,596,998.05

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Double scale
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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.