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Finding the Fourth Proportional to 19,820,201,887,236, 29,730,302,830,852 and 19,820,201,887,236

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Solution

The fourth proportional to 19,820,201,887,236, 29,730,302,830,852 and 19,820,201,887,236 is: 29,730,302,830,852

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820,201,887,236 : 29,730,302,830,852 = 19,820,201,887,236 : x
  2. Step 2: Convert to fraction form
    19,820,201,887,236/29,730,302,830,852 = 19,820,201,887,236/x
  3. Step 3: Cross multiply
    19,820,201,887,236x = 29,730,302,830,852 × 19,820,201,887,236
  4. Step 4: Simplify right side
    19,820,201,887,236x = 589,260,604,276,150,589,649,321,984
  5. Step 5: Solve for x
    x = 589,260,604,276,150,589,649,321,984/19,820,201,887,236
  6. Step 6: Final answer
    x = 29,730,302,830,852

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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.