Home / 51,634,780,455.72-71,255,272,713.30-28,772,881,745.16

Finding the Fourth Proportional to 51,634,780,455.72, 71,255,272,713.30 and 28,772,881,745.16

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Solution

The fourth proportional to 51,634,780,455.72, 71,255,272,713.30 and 28,772,881,745.16 is: 39,706,173,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,634,780,455.72 : 71,255,272,713.30 = 28,772,881,745.16 : x
  2. Step 2: Convert to fraction form
    51,634,780,455.72/71,255,272,713.30 = 28,772,881,745.16/x
  3. Step 3: Cross multiply
    51,634,780,455.72x = 71,255,272,713.30 × 28,772,881,745.16
  4. Step 4: Simplify right side
    51,634,780,455.72x = 2,050,219,535,498,907,222,016
  5. Step 5: Solve for x
    x = 2,050,219,535,498,907,222,016/51,634,780,455.72
  6. Step 6: Final answer
    x = 39,706,173,191.87

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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.