Home / 262,713,863,881.82-394,030,979,190.45-71,500,801,985.16

Finding the Fourth Proportional to 262,713,863,881.82, 394,030,979,190.45 and 71,500,801,985.16

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Solution

The fourth proportional to 262,713,863,881.82, 394,030,979,190.45 and 71,500,801,985.16 is: 107,240,366,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,713,863,881.82 : 394,030,979,190.45 = 71,500,801,985.16 : x
  2. Step 2: Convert to fraction form
    262,713,863,881.82/394,030,979,190.45 = 71,500,801,985.16/x
  3. Step 3: Cross multiply
    262,713,863,881.82x = 394,030,979,190.45 × 71,500,801,985.16
  4. Step 4: Simplify right side
    262,713,863,881.82x = 28,173,531,019,115,069,702,144
  5. Step 5: Solve for x
    x = 28,173,531,019,115,069,702,144/262,713,863,881.82
  6. Step 6: Final answer
    x = 107,240,366,392.65

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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.