Home / 21,320,052,483,616-29,421,672,427,392-12,195,525,126,690

Finding the Fourth Proportional to 21,320,052,483,616, 29,421,672,427,392 and 12,195,525,126,690

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Solution

The fourth proportional to 21,320,052,483,616, 29,421,672,427,392 and 12,195,525,126,690 is: 16,829,824,674,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,052,483,616 : 29,421,672,427,392 = 12,195,525,126,690 : x
  2. Step 2: Convert to fraction form
    21,320,052,483,616/29,421,672,427,392 = 12,195,525,126,690/x
  3. Step 3: Cross multiply
    21,320,052,483,616x = 29,421,672,427,392 × 12,195,525,126,690
  4. Step 4: Simplify right side
    21,320,052,483,616x = 358,812,745,357,501,466,618,626,048
  5. Step 5: Solve for x
    x = 358,812,745,357,501,466,618,626,048/21,320,052,483,616
  6. Step 6: Final answer
    x = 16,829,824,674,833.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.