Home / 3,457,818,375.42-4,771,790,956.95-1,871,910,335.40

Finding the Fourth Proportional to 3,457,818,375.42, 4,771,790,956.95 and 1,871,910,335.40

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Solution

The fourth proportional to 3,457,818,375.42, 4,771,790,956.95 and 1,871,910,335.40 is: 2,583,237,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,818,375.42 : 4,771,790,956.95 = 1,871,910,335.40 : x
  2. Step 2: Convert to fraction form
    3,457,818,375.42/4,771,790,956.95 = 1,871,910,335.40/x
  3. Step 3: Cross multiply
    3,457,818,375.42x = 4,771,790,956.95 × 1,871,910,335.40
  4. Step 4: Simplify right side
    3,457,818,375.42x = 8,932,364,810,682,961,920
  5. Step 5: Solve for x
    x = 8,932,364,810,682,961,920/3,457,818,375.42
  6. Step 6: Final answer
    x = 2,583,237,128.41

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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.