Home / 21,320,052,483,619-29,421,672,427,395-12,195,525,126,693

Finding the Fourth Proportional to 21,320,052,483,619, 29,421,672,427,395 and 12,195,525,126,693

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Solution

The fourth proportional to 21,320,052,483,619, 29,421,672,427,395 and 12,195,525,126,693 is: 16,829,824,674,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,052,483,619 : 29,421,672,427,395 = 12,195,525,126,693 : x
  2. Step 2: Convert to fraction form
    21,320,052,483,619/29,421,672,427,395 = 12,195,525,126,693/x
  3. Step 3: Cross multiply
    21,320,052,483,619x = 29,421,672,427,395 × 12,195,525,126,693
  4. Step 4: Simplify right side
    21,320,052,483,619x = 358,812,745,357,626,329,907,855,360
  5. Step 5: Solve for x
    x = 358,812,745,357,626,329,907,855,360/21,320,052,483,619
  6. Step 6: Final answer
    x = 16,829,824,674,836.79

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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.