Home / 13,690,384,936.40-20,535,577,404.60-12,765,252,443.60

Finding the Fourth Proportional to 13,690,384,936.40, 20,535,577,404.60 and 12,765,252,443.60

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Solution

The fourth proportional to 13,690,384,936.40, 20,535,577,404.60 and 12,765,252,443.60 is: 19,147,878,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,384,936.40 : 20,535,577,404.60 = 12,765,252,443.60 : x
  2. Step 2: Convert to fraction form
    13,690,384,936.40/20,535,577,404.60 = 12,765,252,443.60/x
  3. Step 3: Cross multiply
    13,690,384,936.40x = 20,535,577,404.60 × 12,765,252,443.60
  4. Step 4: Simplify right side
    13,690,384,936.40x = 262,141,829,644,807,077,888
  5. Step 5: Solve for x
    x = 262,141,829,644,807,077,888/13,690,384,936.40
  6. Step 6: Final answer
    x = 19,147,878,665.40

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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.