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Finding the Fourth Proportional to 13,195,529,359.20, 19,793,294,038.80 and 13,195,529,359.20

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Solution

The fourth proportional to 13,195,529,359.20, 19,793,294,038.80 and 13,195,529,359.20 is: 19,793,294,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195,529,359.20 : 19,793,294,038.80 = 13,195,529,359.20 : x
  2. Step 2: Convert to fraction form
    13,195,529,359.20/19,793,294,038.80 = 13,195,529,359.20/x
  3. Step 3: Cross multiply
    13,195,529,359.20x = 19,793,294,038.80 × 13,195,529,359.20
  4. Step 4: Simplify right side
    13,195,529,359.20x = 261,182,992,604,263,743,488
  5. Step 5: Solve for x
    x = 261,182,992,604,263,743,488/13,195,529,359.20
  6. Step 6: Final answer
    x = 19,793,294,038.80

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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.