Home / 12,415,032,011.20-18,622,548,016.80-11,068,147,940.80

Finding the Fourth Proportional to 12,415,032,011.20, 18,622,548,016.80 and 11,068,147,940.80

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Solution

The fourth proportional to 12,415,032,011.20, 18,622,548,016.80 and 11,068,147,940.80 is: 16,602,221,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,032,011.20 : 18,622,548,016.80 = 11,068,147,940.80 : x
  2. Step 2: Convert to fraction form
    12,415,032,011.20/18,622,548,016.80 = 11,068,147,940.80/x
  3. Step 3: Cross multiply
    12,415,032,011.20x = 18,622,548,016.80 × 11,068,147,940.80
  4. Step 4: Simplify right side
    12,415,032,011.20x = 206,117,116,484,594,008,064
  5. Step 5: Solve for x
    x = 206,117,116,484,594,008,064/12,415,032,011.20
  6. Step 6: Final answer
    x = 16,602,221,911.20

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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.