Home / 12,539,591,784.82-17,304,639,487.64-6,900,807,636.32

Finding the Fourth Proportional to 12,539,591,784.82, 17,304,639,487.64 and 6,900,807,636.32

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Solution

The fourth proportional to 12,539,591,784.82, 17,304,639,487.64 and 6,900,807,636.32 is: 9,523,116,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,591,784.82 : 17,304,639,487.64 = 6,900,807,636.32 : x
  2. Step 2: Convert to fraction form
    12,539,591,784.82/17,304,639,487.64 = 6,900,807,636.32/x
  3. Step 3: Cross multiply
    12,539,591,784.82x = 17,304,639,487.64 × 6,900,807,636.32
  4. Step 4: Simplify right side
    12,539,591,784.82x = 119,415,988,320,070,713,344
  5. Step 5: Solve for x
    x = 119,415,988,320,070,713,344/12,539,591,784.82
  6. Step 6: Final answer
    x = 9,523,116,092.56

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Double scale
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1.5x scale

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.