Home / 2,255,447,715.42-3,112,265,401.95-1,251,907,586.16

Finding the Fourth Proportional to 2,255,447,715.42, 3,112,265,401.95 and 1,251,907,586.16

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Solution

The fourth proportional to 2,255,447,715.42, 3,112,265,401.95 and 1,251,907,586.16 is: 1,727,492,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,447,715.42 : 3,112,265,401.95 = 1,251,907,586.16 : x
  2. Step 2: Convert to fraction form
    2,255,447,715.42/3,112,265,401.95 = 1,251,907,586.16/x
  3. Step 3: Cross multiply
    2,255,447,715.42x = 3,112,265,401.95 × 1,251,907,586.16
  4. Step 4: Simplify right side
    2,255,447,715.42x = 3,896,268,666,855,177,728
  5. Step 5: Solve for x
    x = 3,896,268,666,855,177,728/2,255,447,715.42
  6. Step 6: Final answer
    x = 1,727,492,346.73

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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.