Home / 21,320,052,483,608-29,421,672,427,380-12,195,525,126,680

Finding the Fourth Proportional to 21,320,052,483,608, 29,421,672,427,380 and 12,195,525,126,680

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Solution

The fourth proportional to 21,320,052,483,608, 29,421,672,427,380 and 12,195,525,126,680 is: 16,829,824,674,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,052,483,608 : 29,421,672,427,380 = 12,195,525,126,680 : x
  2. Step 2: Convert to fraction form
    21,320,052,483,608/29,421,672,427,380 = 12,195,525,126,680/x
  3. Step 3: Cross multiply
    21,320,052,483,608x = 29,421,672,427,380 × 12,195,525,126,680
  4. Step 4: Simplify right side
    21,320,052,483,608x = 358,812,745,357,060,906,053,271,552
  5. Step 5: Solve for x
    x = 358,812,745,357,060,906,053,271,552/21,320,052,483,608
  6. Step 6: Final answer
    x = 16,829,824,674,818.95

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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.