Home / 12,609,602,853.60-18,916,195,870.80-3,884,557,605.60

Finding the Fourth Proportional to 12,609,602,853.60, 18,916,195,870.80 and 3,884,557,605.60

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Solution

The fourth proportional to 12,609,602,853.60, 18,916,195,870.80 and 3,884,557,605.60 is: 5,827,388,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609,602,853.60 : 18,916,195,870.80 = 3,884,557,605.60 : x
  2. Step 2: Convert to fraction form
    12,609,602,853.60/18,916,195,870.80 = 3,884,557,605.60/x
  3. Step 3: Cross multiply
    12,609,602,853.60x = 18,916,195,870.80 × 3,884,557,605.60
  4. Step 4: Simplify right side
    12,609,602,853.60x = 73,481,052,538,935,451,648
  5. Step 5: Solve for x
    x = 73,481,052,538,935,451,648/12,609,602,853.60
  6. Step 6: Final answer
    x = 5,827,388,331.90

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1.5x scale

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.