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Finding the Fourth Proportional to 13,963,266,421.70, 20,944,899,632.55 and 13,963,266,421.70

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Solution

The fourth proportional to 13,963,266,421.70, 20,944,899,632.55 and 13,963,266,421.70 is: 20,944,899,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963,266,421.70 : 20,944,899,632.55 = 13,963,266,421.70 : x
  2. Step 2: Convert to fraction form
    13,963,266,421.70/20,944,899,632.55 = 13,963,266,421.70/x
  3. Step 3: Cross multiply
    13,963,266,421.70x = 20,944,899,632.55 × 13,963,266,421.70
  4. Step 4: Simplify right side
    13,963,266,421.70x = 292,459,213,745,062,084,608
  5. Step 5: Solve for x
    x = 292,459,213,745,062,084,608/13,963,266,421.70
  6. Step 6: Final answer
    x = 20,944,899,632.55

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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.