Home / 641,060,735,807.64-961,622,030,186.96-210,788,294,560.88

Finding the Fourth Proportional to 641,060,735,807.64, 961,622,030,186.96 and 210,788,294,560.88

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Solution

The fourth proportional to 641,060,735,807.64, 961,622,030,186.96 and 210,788,294,560.88 is: 316,192,610,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,060,735,807.64 : 961,622,030,186.96 = 210,788,294,560.88 : x
  2. Step 2: Convert to fraction form
    641,060,735,807.64/961,622,030,186.96 = 210,788,294,560.88/x
  3. Step 3: Cross multiply
    641,060,735,807.64x = 961,622,030,186.96 × 210,788,294,560.88
  4. Step 4: Simplify right side
    641,060,735,807.64x = 202,698,667,755,280,365,780,992
  5. Step 5: Solve for x
    x = 202,698,667,755,280,365,780,992/641,060,735,807.64
  6. Step 6: Final answer
    x = 316,192,610,829.47

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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.