Home / 3,971,255,128.56-5,480,927,877.96-3,017,065,679.91

Finding the Fourth Proportional to 3,971,255,128.56, 5,480,927,877.96 and 3,017,065,679.91

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Solution

The fourth proportional to 3,971,255,128.56, 5,480,927,877.96 and 3,017,065,679.91 is: 4,164,003,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971,255,128.56 : 5,480,927,877.96 = 3,017,065,679.91 : x
  2. Step 2: Convert to fraction form
    3,971,255,128.56/5,480,927,877.96 = 3,017,065,679.91/x
  3. Step 3: Cross multiply
    3,971,255,128.56x = 5,480,927,877.96 × 3,017,065,679.91
  4. Step 4: Simplify right side
    3,971,255,128.56x = 16,536,319,394,655,059,968
  5. Step 5: Solve for x
    x = 16,536,319,394,655,059,968/3,971,255,128.56
  6. Step 6: Final answer
    x = 4,164,003,283.43

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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.