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Finding the Fourth Proportional to 55,877,981,430.60, 83,816,972,145.90 and 55,877,981,430.60

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Solution

The fourth proportional to 55,877,981,430.60, 83,816,972,145.90 and 55,877,981,430.60 is: 83,816,972,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,877,981,430.60 : 83,816,972,145.90 = 55,877,981,430.60 : x
  2. Step 2: Convert to fraction form
    55,877,981,430.60/83,816,972,145.90 = 55,877,981,430.60/x
  3. Step 3: Cross multiply
    55,877,981,430.60x = 83,816,972,145.90 × 55,877,981,430.60
  4. Step 4: Simplify right side
    55,877,981,430.60x = 4,683,523,213,137,717,231,616
  5. Step 5: Solve for x
    x = 4,683,523,213,137,717,231,616/55,877,981,430.60
  6. Step 6: Final answer
    x = 83,816,972,145.90

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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.