Home / 18,821,814,229.73-25,974,569,414.79-10,248,710,861.40

Finding the Fourth Proportional to 18,821,814,229.73, 25,974,569,414.79 and 10,248,710,861.40

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Solution

The fourth proportional to 18,821,814,229.73, 25,974,569,414.79 and 10,248,710,861.40 is: 14,143,474,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,814,229.73 : 25,974,569,414.79 = 10,248,710,861.40 : x
  2. Step 2: Convert to fraction form
    18,821,814,229.73/25,974,569,414.79 = 10,248,710,861.40/x
  3. Step 3: Cross multiply
    18,821,814,229.73x = 25,974,569,414.79 × 10,248,710,861.40
  4. Step 4: Simplify right side
    18,821,814,229.73x = 266,205,851,681,546,502,144
  5. Step 5: Solve for x
    x = 266,205,851,681,546,502,144/18,821,814,229.73
  6. Step 6: Final answer
    x = 14,143,474,610.49

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1.5x scale

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.