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Finding the Fourth Proportional to 13,228,516,987,712, 19,842,775,481,569 and 13,228,516,987,712

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Solution

The fourth proportional to 13,228,516,987,712, 19,842,775,481,569 and 13,228,516,987,712 is: 19,842,775,481,569

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228,516,987,712 : 19,842,775,481,569 = 13,228,516,987,712 : x
  2. Step 2: Convert to fraction form
    13,228,516,987,712/19,842,775,481,569 = 13,228,516,987,712/x
  3. Step 3: Cross multiply
    13,228,516,987,712x = 19,842,775,481,569 × 13,228,516,987,712
  4. Step 4: Simplify right side
    13,228,516,987,712x = 262,490,492,541,290,688,488,144,896
  5. Step 5: Solve for x
    x = 262,490,492,541,290,688,488,144,896/13,228,516,987,712
  6. Step 6: Final answer
    x = 19,842,775,481,569

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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.