Home / 899,723,842,261.20-1,241,654,699,909.20-493,745,911,969.68

Finding the Fourth Proportional to 899,723,842,261.20, 1,241,654,699,909.20 and 493,745,911,969.68

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Solution

The fourth proportional to 899,723,842,261.20, 1,241,654,699,909.20 and 493,745,911,969.68 is: 681,389,003,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,723,842,261.20 : 1,241,654,699,909.20 = 493,745,911,969.68 : x
  2. Step 2: Convert to fraction form
    899,723,842,261.20/1,241,654,699,909.20 = 493,745,911,969.68/x
  3. Step 3: Cross multiply
    899,723,842,261.20x = 1,241,654,699,909.20 × 493,745,911,969.68
  4. Step 4: Simplify right side
    899,723,842,261.20x = 613,061,932,158,107,231,715,328
  5. Step 5: Solve for x
    x = 613,061,932,158,107,231,715,328/899,723,842,261.20
  6. Step 6: Final answer
    x = 681,389,003,338.35

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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.