Home / 15,484,925,021,222-21,369,087,821,696-8,453,523,168,715.20

Finding the Fourth Proportional to 15,484,925,021,222, 21,369,087,821,696 and 8,453,523,168,715.20

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Solution

The fourth proportional to 15,484,925,021,222, 21,369,087,821,696 and 8,453,523,168,715.20 is: 11,665,802,627,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484,925,021,222 : 21,369,087,821,696 = 8,453,523,168,715.20 : x
  2. Step 2: Convert to fraction form
    15,484,925,021,222/21,369,087,821,696 = 8,453,523,168,715.20/x
  3. Step 3: Cross multiply
    15,484,925,021,222x = 21,369,087,821,696 × 8,453,523,168,715.20
  4. Step 4: Simplify right side
    15,484,925,021,222x = 180,644,078,995,016,970,783,424,512
  5. Step 5: Solve for x
    x = 180,644,078,995,016,970,783,424,512/15,484,925,021,222
  6. Step 6: Final answer
    x = 11,665,802,627,229.08

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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.