Home / 21,320,052,483,574-29,421,672,427,330-12,195,525,126,646

Finding the Fourth Proportional to 21,320,052,483,574, 29,421,672,427,330 and 12,195,525,126,646

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Solution

The fourth proportional to 21,320,052,483,574, 29,421,672,427,330 and 12,195,525,126,646 is: 16,829,824,674,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,052,483,574 : 29,421,672,427,330 = 12,195,525,126,646 : x
  2. Step 2: Convert to fraction form
    21,320,052,483,574/29,421,672,427,330 = 12,195,525,126,646/x
  3. Step 3: Cross multiply
    21,320,052,483,574x = 29,421,672,427,330 × 12,195,525,126,646
  4. Step 4: Simplify right side
    21,320,052,483,574x = 358,812,745,355,450,808,713,347,072
  5. Step 5: Solve for x
    x = 358,812,745,355,450,808,713,347,072/21,320,052,483,574
  6. Step 6: Final answer
    x = 16,829,824,674,770.27

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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.