Home / 45,179,256,915.12-67,777,159,629.96-18,635,293,448.40

Finding the Fourth Proportional to 45,179,256,915.12, 67,777,159,629.96 and 18,635,293,448.40

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Solution

The fourth proportional to 45,179,256,915.12, 67,777,159,629.96 and 18,635,293,448.40 is: 27,956,353,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,179,256,915.12 : 67,777,159,629.96 = 18,635,293,448.40 : x
  2. Step 2: Convert to fraction form
    45,179,256,915.12/67,777,159,629.96 = 18,635,293,448.40/x
  3. Step 3: Cross multiply
    45,179,256,915.12x = 67,777,159,629.96 × 18,635,293,448.40
  4. Step 4: Simplify right side
    45,179,256,915.12x = 1,263,047,258,803,354,730,496
  5. Step 5: Solve for x
    x = 1,263,047,258,803,354,730,496/45,179,256,915.12
  6. Step 6: Final answer
    x = 27,956,353,093.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.