Home / 21,320,052,484,686-29,421,672,428,866-12,195,525,127,756

Finding the Fourth Proportional to 21,320,052,484,686, 29,421,672,428,866 and 12,195,525,127,756

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Solution

The fourth proportional to 21,320,052,484,686, 29,421,672,428,866 and 12,195,525,127,756 is: 16,829,824,676,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,052,484,686 : 29,421,672,428,866 = 12,195,525,127,756 : x
  2. Step 2: Convert to fraction form
    21,320,052,484,686/29,421,672,428,866 = 12,195,525,127,756/x
  3. Step 3: Cross multiply
    21,320,052,484,686x = 29,421,672,428,866 × 12,195,525,127,756
  4. Step 4: Simplify right side
    21,320,052,484,686x = 358,812,745,406,841,226,281,353,216
  5. Step 5: Solve for x
    x = 358,812,745,406,841,226,281,353,216/21,320,052,484,686
  6. Step 6: Final answer
    x = 16,829,824,676,302.89

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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.